Do spiders have a heart?

Interesting facts about Spiders | Educational Video for Kids.

Best Answer

Spiders, like most arthropods, have an open circulatory system, i.e., they do not have true blood, or veins which transport it.

Rather, their bodies are filled with haemolymph, which is pumped through arteries by a heart into spaces called sinuses surrounding their internal organs.

Spider Heart Beating

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Do spiders have hearts?

Spiders, like most arthropods, have an open circulatory system, i.e., they do not have true blood, or veins which transport it. Rather, their bodies are filled with haemolymph, which is pumped through arteries by a heart into spaces called sinuses surrounding their internal organs.

Do spiders have heads?

Spiders, unlike insects, have only two main body parts (tagmata) instead of three: a fused head and thorax (called a cephalothorax or prosoma) and an abdomen (also called an opisthosoma). In the majority of spiders, the abdomen is not externally segmented.

Do spiders have pets?

But unlike us with our cats and dogs, these mutualistic creature companionships are usually essential for both animals' well being, if not their very survival. As a large species of spider, the Colombian lesserblack tarantula is more than capable of killing and eating a small amphibian like the dotted humming frog.

Do Insects Feel Pain?

Do spiders have 8 legs?

Spider. Spiders (order Araneae) are air-breathing arthropods that have eight legs and chelicerae with fangs able to inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all orders of organisms. Unlike insects, spiders do not have antennae.

Do spiders have compound eyes?

Spiders do not have compound eyes, but instead have several pairs of simple eyes with each pair adapted for a specific task or tasks. The principal and secondary eyes in spiders are arranged in four or more pairs.

Do spiders have brains in their legs?

Brains of tiny spiders fill their body cavities and legs, Smithsonian researchers discover. “We discovered that the central nervous systems of the smallest spiders fill up almost 80 percent of their total body cavity, including about 25 percent of their legs.”

Do jellyfish have hearts?

A jellyfish has no ears or eyes or nose and no brain or heart! They do not even have a head. Their body is almost totally made of water and is soft having no bones at all. Jellyfish are invertebrate animals because they do not have a spine or backbone.

Do puppies have a faster heart rate?

The youngsters have a heart rate that's roughly 220 beats per minute, according to WebMD. As a dog's breathing increases, so does its heart rate, so it's normal for puppies to breathe a bit faster than their adult counterparts. However, a puppy should breathe only slightly faster than an adult dog.

Spider Hearts

Do dogs have a regular heart rhythm?

The normal heart rate of a dog ranges from 60 to 170 beats per minute in adults and can be a bit quicker (up to 220 beats per minute) in dogs under a year old. When the heart rate exceeds 180 in adult dogs and 240 in adult cats, they are said to be tachycardic (or have tachycardia).

Do fish have hearts?

Fish have a simple circulatory system, which consists of a two-chambered heart, blood, and blood vessels. Unlike humans, they have a single circulatory pattern. Oxygen-deprived blood from the body tissues comes to the heart, from where it is pumped to the gills.

Do dogs have hearts?

Your beloved pet can have heart problems just like you. Heart disease may lead to congestive heart failure. That's when your dog's heart has trouble pumping blood to the rest of its body. Heart disease can affect one side of the heart or sometimes both sides.

Do puppies have a fast heart rate?

The youngsters have a heart rate that's roughly 220 beats per minute, according to WebMD. As a dog's breathing increases, so does its heart rate, so it's normal for puppies to breathe a bit faster than their adult counterparts. However, a puppy should breathe only slightly faster than an adult dog.

Do Puppies have a higher heart rate?

The youngsters have a heart rate that's roughly 220 beats per minute, according to WebMD. As a dog's breathing increases, so does its heart rate, so it's normal for puppies to breathe a bit faster than their adult counterparts. However, a puppy should breathe only slightly faster than an adult dog.

Spider Class 101: A Look inside a Tarantula

Do spiders eat spiders?

Spider cannibalism is the act of a spider consuming all or part of another individual of the same species as food. In the majority of cases a female spider kills and eats a male one before, during, or after copulation. Cases in which males eat females are rare.

Do dogs have heart attacks?

A heart attack, or “myocardial infarction,” happens when blood is blocked from reaching the heart muscle (myocardium). Canine heart attacks have been seen in all breeds and are very rare. If you notice symptoms of a heart attack in your dog, keep calm, do not attempt CPR, and contact a veterinarian immediately.

Do giraffes have two hearts?

Do Giraffes Have Two Hearts? Giraffes have only one heart. However, the giraffe does have a very powerful heart, which helps to pump blood throughout the animal's long neck and legs.

Do fishes have heart attacks?

If you're worried about heart disease, eating one to two servings of fish a week could reduce your risk of dying of a heart attack. For many years, the American Heart Association has recommended that people eat fish rich in omega-3 fatty acids at least twice a week.

Do dogs have regular heart beats?

A: What you likely hear is called sinus arrhythmia, and it's normal in dogs, but not in cats. In relaxed dogs, the heart rate quickens during inhalation and slows when the dog exhales and pauses between breaths. By comparison, a cat's heartbeat remains steady. You should hear steady, evenly spaced heart beats.

Do pet owners have a lower risk of heart disease?

Pet ownership, especially having a dog, is probably associated with a decreased risk of cardiovascular disease. Several studies have shown that dog owners have lower blood pressure than non-owners — probably because their pets have a calming effect on them and because dog owners tend to get more exercise.

How many hearts do dogs have?

The dog's circulatory system is quite similar to that of humans. The heart has four chambers. The two upper chambers are the left and right atria, while the stronger, lower chambers are the right and left ventricles.

Do Shih Tzu have heart problems?

Intervertebral disc disease (IVDD) is a common condition in shih tzus. Dental disease is the most common chronic problem in pets, affecting 80% of all dogs by age two. Shih tzus are more likely than other dogs to develop this condition.

Why do giraffes have big hearts?

With such long necks, giraffes spend a lot of time moving their heads from down low to up high, and so they need a way to keep blood flowing to the brain so they don't get woozy. Scientists once thought that vessels in the giraffe's neck siphoned blood from the heart to the brain.

Did my dog have a heart attack?

A heart attack, or “myocardial infarction,” happens when blood is blocked from reaching the heart muscle (myocardium). Canine heart attacks have been seen in all breeds and are very rare. If you notice symptoms of a heart attack in your dog, keep calm, do not attempt CPR, and contact a veterinarian immediately.

Do puppies have fast heart rates?

The youngsters have a heart rate that's roughly 220 beats per minute, according to WebMD. As a dog's breathing increases, so does its heart rate, so it's normal for puppies to breathe a bit faster than their adult counterparts. However, a puppy should breathe only slightly faster than an adult dog.

Why do puppies have heart murmurs?

Causes of Systolic Murmurs in Dogs. Most heart murmurs are systolic. The most common cause of systolic murmurs is pulmonic stenosis or subaortic stenosis, which is a narrowing of the blood vessel that causes obstruction of the blood flow. Mitral and tricuspid heart failure.

How many hearts does a duck have?

The function of the four-chambered heart in the duck embryo, therefore, would be primarily that of a three-chambered heart, one atrium and two ventricles. In the adult bird, there is a complete separation of the two atria by a thin membrane.

How do you find a spiders nest?

Look in corners of overhangs and door openings on the outside of your home. Also want to check around any bushes, trees or other shrubbery. Spiders also like to make their nests in dark, cluttered places such as attics and garages. Be sure to move boxes and in order to thoroughly check the premises.

Do spiders talk?

It has long been known that spiders can hear sounds via leg hairs that bend in response to vibrations arriving through the air or through solid objects such as floors or walls. But until now, we thought they could only hear airborne vibrations a few centimetres or “spider lengths” away at most.

Do wolf spiders jump?

The many genera of wolf spiders range in body size (legs not included) from less than 10 to 35 mm (0.4 to 1.38 in). Wolf spiders possess the third-best eyesight of all spider groups, bettered by jumping spiders of the family Salticidae (which can distinguish colors) and the huntsman spiders.

Do spiders attack people?

Spiders do not feed on humans and typically bites occur as a defense mechanism. This can occur from unintentional contact or trapping of the spider. Most spiders have fangs too small to penetrate human skin. Most bites by species large enough for their bites to be noticeable will have no serious medical consequences.

Do spiders poop?

Spiders don't produce urine like we do, but produce uric acid, which doesn't dissolve in water and is a near-solid. In this sense, spiders don't deposit separate feces and urine, but rather a combined waste product that exits from the same opening (anus).

Do spiders drink blood?

Myth: Spiders do not literally eat the insects they kill; they only suck the "juices" or blood. Fact: You can find this myth in many books; even some scientists, who have never bothered to look for themselves, believe it. As a first step in eating, the spider will literally vomit digestive fluid over the prey.

Do spiders get scared?

Spiders are a little harder to avoid. Arachnophobia is one of the most common phobias in Americans. A common argument suggests we are “evolutionarily programmed” to be afraid of spiders and snakes.

Do spiders heal?

'Spider threads' bring great self-healing power. Researchers have already developed composites that are able to heal microscopic cracks, but it's hard to include enough repair material to close larger cracks in this way. Li realised that, like human wounds, such large gashes must be closed before healing.

Do spiders know fear?

In many people, the fear of spiders elicits a “disgust response,” People with severe arachnophobia have such an extreme aversion to spiders that they may be afraid to go into their basement or garage because a spider may be present. If they encounter a spider, they may actually leave the house rather than deal with it.

Do spiders recognize owners?

It's possible. Spiders are intelligent and many owners say that shy and scared spiders can get used to their new owners being around. It's hard to say if it's because they recognize the person or just feel more relaxed after a while. Most spiders have bad eyesight but can hear and smell.

Do spiders like blood?

Myth: Spiders do not literally eat the insects they kill; they only suck the "juices" or blood. Fact: You can find this myth in many books; even some scientists, who have never bothered to look for themselves, believe it. Put a medium-sized insect in the web of a large orbweaving spider in the garden.

Do spiders eat lizards?

At less than a tenth of an ounce, the regal jumping spider can prey on frogs and lizards two to three times its own weight, according to a new study in the Journal of Arachnology. It's the first time scientists have published observations of jumping spiders—the biggest family of spiders—eating vertebrates.

Do spiders feel fear?

Spiders aren't social, so they don't need the range of emotions that, for example, humans and dogs do. We can't ask spiders how they feel, but I'm sure that they have simple and basic emotions. They can certainly get scared and stressed, and possibly feel happy and satisfied when they have caught food.

Do spiders hate cold?

Spiders are "cold-blooded" and not attracted to warmth. They don't shiver or get uncomfortable when it's cold, they just become less active and eventually, dormant. Most temperate zone spiders have enough "antifreeze" in their bodies that they won't freeze at any temperature down to -5° C.; some can get colder.

Do spiders hate light?

Spiders aren't attracted to the light, but many of the insects they feast on are. Dark coloured siding is less attractive to the bugs which spiders feast on than white siding. Spray your house down with peppermint, tea-tree, citrus or eucalyptus oil. Spiders supposedly hate the smell.

Do spiders drown?

That's pretty cruel: it can take spiders over an hour to drown. No, the best way to kill a spider, says Real Clear Science, is not with fire or water, but with ice. The now dead spider and alcohol can then be poured into the toilet and flushed away.

Do spiders breathe?

Some spiders have book lungs. A book lung has a stack of soft plates called lamellae. Oxygen in the air passing between the lamellae diffuses through the tissue into the blood. Other spiders have tracheae which are breathing tubes held open by rings of chitin.

Do spiders like humans?

Spiders [on the other hand] do not feed on humans. They bite insects and other spiders, not humans.

Can a dog have a stroke or heart attack?

Strokes in dogs are less common than they are in people, but when one strikes the condition is equally as serious as a human stroke. The two most common forms of canine strokes occur when an artery in the brain becomes blocked and cuts off oxygen to the area or when blood vessels in the brain rupture and hemorrhage.

Can puppies have heart disease?

Congenital Heart Disease in Dogs. Your beloved pet can have heart problems just like you. Heart disease may lead to congestive heart failure. That's when your dog's heart has trouble pumping blood to the rest of its body.

What do zebra spiders eat?

Diet. Zebra spiders tend to hunt smaller spiders and similar insects. They have been observed feeding on mosquitos that are almost twice their length. They have also been observed taking on prey items up to 3 times the length of the spider, such as some of the smaller species of moth.

Do spiders jump on you?

This enables the spiders to jump without having large muscular legs like a grasshopper. Most jumping spiders can jump several times the length of their bodies. Some species, such as Portia, will actually let themselves down to attack prey such as a web spider apparently secure in the middle of its web.

How do you treat a spider bite on a dog?

Treatment of Spiders Poisoning in Dogs Cleansing. The first thing the veterinarian will do is thoroughly cleanse the affected area around the bite. Pain Medication. Pain medication along with an ice will be given. Antibiotics. Oxygen Therapy. Fluids. Antivenin.

Can a dog have a heart attack from anxiety?

Your dog may have a type of anxiety that causes such extreme distress that he has a sudden outburst. It could be triggered by noise, confinement, or any kind of change that may seem minor to you, but not to your dog. There are several kinds of anxiety in dogs, but not all include panic attacks.

Can a dog with a heart murmur have surgery?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. It's not always a reason for concern, but it can be. In dogs, common causes include heart valve problems, heartworm disease, heart defects, tumors, or weakening of the heart muscle.

Do cats eat spiders?

Cats often eat spiders, and for the most part, spiders don't hurt cats. The process of consuming and eating a spider digests the proteins in the venom and renders them neutral. Which is why people that eat spiders are fine as well. It is possible for a spider to bite a cat, although that is quite rare.

Do spiders fart?

Since the stercoral sac contains bacteria, which helps break down the spider's food, it seems likely that gas is produced during this process, and therefore there is certainly the possibility that spiders do fart.

Do spiders love humans?

Spiders [on the other hand] do not feed on humans. They bite insects and other spiders, not humans. Really, the only reason a spider would bite you is if you're crushing it or otherwise harassing it and it feels like it's got no other choice but to try to defend itself,” Scott says.

Do spiders hate cinnamon?

In looking for a natural spider repellent, I discovered that all spiders have their taste buds on the tips of their legs. There are certain natural oils they hate, including citrus, lavender, peppermint, citronella, cinnamon, tea tree and cloves.

Why do spiders bite?

Spiders do not feed on humans and typically bites occur as a defense mechanism. This can occur from unintentional contact or trapping of the spider. Most spiders have fangs too small to penetrate human skin. Most bites by species large enough for their bites to be noticeable will have no serious medical consequences.

Are spiders good to have in your house?

Some species even enjoy the great indoors, where they happily live out their lives and make more spiders. These arachnids are usually secretive, and almost all you meet are neither aggressive nor dangerous. And they may be providing such services as eating pests — some even eat other spiders.

Do spiders jump at you?

This enables the spiders to jump without having large muscular legs like a grasshopper. Most jumping spiders can jump several times the length of their bodies. Some species, such as Portia, will actually let themselves down to attack prey such as a web spider apparently secure in the middle of its web.

Do spiders recognize their owners?

It's possible. Spiders are intelligent and many owners say that shy and scared spiders can get used to their new owners being around. It's hard to say if it's because they recognize the person or just feel more relaxed after a while. Most spiders have bad eyesight but can hear and smell.

Do jumping spiders like humans?

As such, jumping spiders are not considered a large danger to humans, especially given that these spiders are more likely to run away from people than attack them. Jumping spiders do possess fangs and produce venom, but the venom is not a medical threat. While they can bite, the jumping spider bite is not poisonous.

How do jumping spiders mate?

Spiders reproduce sexually, however the male's sperm is not inserted into the female's body from within the male's genitals. As courtship progresses for the male jumping spider, he will arch his body, vibrate his palps and slink on tiptoe toward the female.

Do spiders like being petted?

Answer: These spiders can live for up to 25 years and can be domesticated into affectionate pets. They crawl freely when placed on an arm or shoulder, but they definitely are not a pet that an owner can cuddle. Tarantulas are very timid and bite only when provoked.

How do Google spiders work?

Crawling. Crawling is the process by which Googlebot discovers new and updated pages to be added to the Google index. We use a huge set of computers to fetch (or "crawl") billions of pages on the web. As Googlebot visits each of these websites it detects links on each page and adds them to its list of pages to crawl.

Do spiders sleep upside down?

Living Upside-down Shapes Spiders For Energy Saving. Summary: However, many spider species found it more convenient to literally turn their world upside down. They spend most of their lives hanging suspended by their legs, and 'walk' by swinging under the influence of gravity.

What does it mean if you have a heart murmur?

Heart Murmur. A heart murmur is an unusual sound heard between heartbeats. Murmurs may be harmless, also called innocent, or abnormal. Harmless murmurs may not cause symptoms and can happen when blood flows more rapidly than normal through the heart such as during exercise, pregnancy, or rapid growth in children.

What happens when you have a heart murmur?

A heart murmur is an unusual sound heard between heartbeats. Murmurs may be harmless, also called innocent, or abnormal. Harmless murmurs may not cause symptoms and can happen when blood flows more rapidly than normal through the heart such as during exercise, pregnancy, or rapid growth in children.

Can you have a heart attack without knowing it?

A heart attack does not always have obvious symptoms, such as pain in your chest, shortness of breath and cold sweats. In fact, a heart attack can actually happen without a person knowing it. It is called a silent heart attack, or medically referred to as silent ischemia (lack of oxygen) to the heart muscle.

How many hearts does a wolf have in Minecraft?

In Minecraft, a wolf has 4 hearts for health. This gives a wolf 8 health points (because 1 heart = 2 health points). To kill a wolf, you need to inflict 8 points of damage to the wolf.

Can you have a heart attack from sneezing?

Your Heart Stops Beating When You Sneeze. Although it may seem that your heart takes a break during a sneeze, this is actually not the case. When you first inhale before sneezing, the pressure in your chest increases. Alterations in blood flow to your heart produced by these pressure changes can affect the heart rate.

Can you have a heart attack from palpitations?

Heart palpitations (pal-pih-TAY-shuns) are the feelings of having a fast-beating, fluttering or pounding heart. Stress, exercise, medication or, rarely, a medical condition can trigger them. Although heart palpitations can be worrisome, they're usually harmless.

Can you drink alcohol if you have a heart murmur?

Regular or high alcohol use can hurt your heart and lead to diseases of the heart muscle, called cardiomyopathy. Drinking alcohol regularly also can raise your blood pressure.

Can a spider bite kill a dog?

When there is venom present, it is a potent neurotoxin that triggers a massive release in a dog's or cat's body of acetylcholine and norepinephrine. This is what causes muscle spasms and paralysis. Pets can be bitten indoors or outside. A black widow spider bite can be fatal if anti-venom treatment isn't given quickly.

Can a spider bite hurt a dog?

What are the clinical signs of a spider bite? These signs include muscle pain and cramping, vomiting, diarrhea, tremors, and agitation. Affected dogs and cats may also develop muscle rigidity and may seem painful in their abdomen (belly). Brown recluse bites, in contrast, are often not painful at the time of the bite.

What temperature do spiders hate?

Spiders are "cold-blooded" and not attracted to warmth. They don't shiver or get uncomfortable when it's cold, they just become less active and eventually, dormant. Most temperate zone spiders have enough "antifreeze" in their bodies that they won't freeze at any temperature down to -5° C.; some can get colder.

Where do Portia spiders live?

Portia fimbriata, sometimes called the fringed jumping spider, is a jumping spider (family Salticidae) found in Australia and Southeast Asia.

Do pet spiders need water?

Depending on the size of the spider, anything from a plastic bottle cap to a small bowl can serve as a water dish. Spiders also drink water sprayed on webbing, but you should never allow the cage to become damp.

How do you treat a spider Pee rash?

Treating a spider bite Clean the area with water and mild soap to reduce the chances of infection. Do not scratch the wound. Apply ice to the area. Over the counter (OTC) antihistamines may relieve itching. Anti-inflammatory medicines, such as ibuprofen, may relieve pain. If blisters develop, apply antibiotic ointment.

Does my dog have heart disease?

As heart disease progresses to congestive heart failure, which occurs when the heart is unable to meet the body's demands, a dog may develop more obvious symptoms such as fatigue, reduced willingness to walk or exercise, difficulty breathing, loss of appetite, weight loss, a distended abdomen, trouble sleeping or

Can dogs with heart murmurs have surgery?

Heart murmurs are detected when a veterinarian listens to a dog's heart and hears a whooshing sound. Treatments can include surgery or addressing any underlying issues that may be causing the murmur.

Can dogs have strokes or heart attacks?

Strokes in dogs are less common than they are in people, but when one strikes the condition is equally as serious as a human stroke. These strokes are called cerebrovascular accidents (CVA) or transient ischemic attacks (TIA). The third type of stroke seen in dogs is called a fibrocartilaginous embolism (FCE).

Is having an enlarged heart serious?

An enlarged heart may have several causes. But it's usually the result of high blood pressure or coronary artery disease. It may not pump blood effectively, which can bring congestive heart failure. But most people with an enlarged heart need life-long treatment with medications.

Do spiders run away from humans?

For one thing, spiders tend to avoid people, and have no reason to bite humans because they aren't bloodsuckers and don't feed on humans, Buddle said. "They are far more afraid of us than we are of them," he said. "They're not offensive."

Do spiders stay away from humans?

For one thing, spiders tend to avoid people, and have no reason to bite humans because they aren't bloodsuckers and don't feed on humans, Buddle said.

Which spider can kill a human?

Australia's funnel web spiders are probably the most toxic spiders to humans. Their bites can kill adults in 24 hours without treatment and are even more lethal in children.

Can dog with heart murmur have surgery?

Treatment depends on the cause of the heart murmur and your dog's condition. In some cases, such as when a heart murmur is caused by heartworm disease, treatment may resolve the heart murmur completely. If the murmur is caused by a congenital condition, surgery may be recommended.

Can dogs have heart attacks or strokes?

A heart attack, or “myocardial infarction,” happens when blood is blocked from reaching the heart muscle (myocardium). Canine heart attacks have been seen in all breeds and are very rare. If you notice symptoms of a heart attack in your dog, keep calm, do not attempt CPR, and contact a veterinarian immediately.

Where do spiders like to live?

Spiders live in almost every habitat on earth. The only places where there are no spiders are the polar regions, the highest mountains and the oceans. A few spider species have invaded the ocean's edge, living in the rock and coral crevices of the intertidal zone.

Do female spiders eat the males?

Spider cannibalism is the act of a spider consuming all or part of another individual of the same species as food. In the majority of cases a female spider kills and eats a male one before, during, or after copulation. Cases in which males eat females are rare.

Do baby spiders eat their mother?

Matriphagy, or mother-eating, is found in some species of insects, scorpions, nematode worms and spiders. The mothers provide their spiderlings with unfertilized “nurse” eggs to eat. The young eat the eggs and also, slowly, their mother.

How long do house spiders live?

Most UK spiders live for around a year, but the females of some species can life for up to two or three years, especially if they live indoors.

Do jumping spiders recognize their owners?

It's possible. Spiders are intelligent and many owners say that shy and scared spiders can get used to their new owners being around. It's hard to say if it's because they recognize the person or just feel more relaxed after a while. Most spiders have bad eyesight but can hear and smell.

Do Spiders want to bite you?

Spiders do not feed on humans and typically bites occur as a defense mechanism. This can occur from unintentional contact or trapping of the spider. Most spiders have fangs too small to penetrate human skin. Most bites by species large enough for their bites to be noticeable will have no serious medical consequences.

Where do spiders go in the winter?

Then the spiders behaviorally know they have to go to places where they're sheltered, like leaf litter or cracks of bark. Those places, combined with the antifreeze, keep them alive in the winter. Another kind of spider produces eggs in the spring. These spiders survive in the winter as young creatures.

Do spiders bite for no reason?

If a spider does get on a bed, usually no bite will result. Spiders have no reason to bite humans; they are not bloodsuckers, and are not aware of our existence in any case. If you roll over onto a spider, most likely the spider will have no chance to bite.

Do Daddy Long Legs eat spiders?

Daddy-longlegs (Opiliones) - these arachnids make their living by eating decomposing vegetative and animal matter although are opportunist predators if they can get away with it. They do not have venom glands, fangs or any other mechanism for chemically subduing their food.

Do baby spiders eat their mothers?

Matriphagy, or mother-eating, is found in some species of insects, scorpions, nematode worms and spiders. The mothers provide their spiderlings with unfertilized “nurse” eggs to eat. The young eat the eggs and also, slowly, their mother.

Do spiders drink water from your mouth?

Myth: Spiders drink moisture from the mouths or lips of sleeping humans. Fact: I have heard this legend verbally but it does not seem to be recorded in print anywhere. A variant that one person claimed to have heard on TV is that "a spider will drink from your eye (while you sleep) 3 times in your life."

What is a group of spiders called?

The collective noun for spiders is the word you would use to describe a group of spiders. Used in a sentence, you could say "Look at the cluster of spiders", where "cluster" is the collective noun that means group.

Can a huntsman spider kill you?

Despite their often large and hairy appearance, huntsman spiders are not considered to be dangerous spiders. As with most spiders, they do possess venom, and a bite may cause some ill effects. However, they are quite reluctant to bite, and will usually try to run away rather than be aggressive.

Can you train a jumping spider?

If you're afraid of spiders, a new study published in the journal Nature Scientific Reports might not come as welcome news. Researchers at the University of Manchester have trained a regal jumping spider named “Kim” to leap on demand. It's the first time a spider has been successfully trained to jump.