How strong is armadillo armor? Extremely strong, but not strong enough to stop a bullet. Armadillos are native to the Americas and their name means “little armored ones” in Spanish. They have short legs and very long claws that they use to dig up insects to eat or to burrow. They can run extremely quickly, […]
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Why can’t we fix frostbite? If the frostbite is bad enough, the blood supply to the tissue will be cut off and it will die, possibly causing gangrene. Frostbite can form in any temperatures below -0.55 °C because that is low enough for water to freeze. However, in mild temperatures such as that, frostbite is
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How do mountain goats climb cliffs? Through a combination of their hooves, muscles, and lack of fear. Mountain goats can often be seen climbing cliff faces and even dams. There are two main reasons why they climb. The first is for food. They eat plants, grasses, and alpine vegetation, but they also lick the rocks
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Why can you test for drugs in urine? Because the liver breaks them down and then the kidneys remove drugs from the body by expelling them in the urine. There are two things we need to look at here: how are drugs metabolized by the body and what do drug tests test for? How are
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Why can camels go so long without water? They can survive for 15 days without water because they have several adaptations. Camels are renowned for their ability to go long periods of time without drinking any water, which is one reason why they are so well suited to desert life. We can only survive for
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What causes a bunged-up nose and a runny nose? A bunged-up nose is caused by inflamed nasal tissue and a runny nose is caused by too much nasal fluid. What is the nose for? Most animals have one and they do pretty much the same function for all animals that have a nose. The nose
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How is blood pressure measured? There are two measurements for blood pressure. The first number is the pressure of the blood when it is being pumped by the heart, called the systolic pressure. The second number is the pressure of the blood between heartbeats, called the diastolic pressure. The amount of blood we have in
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What causes rigor mortis? Rigor mortis is caused by the muscles in the body being unable to contract. Rigor mortis is Latin. Rigor means “stiff” and mortis means “death”. It happens because of the way that we extend and contract our muscles. If you want to reach out and pick up a cup of coffee,
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Why does the body produce fat? The body produces fat to store and release energy, for insulation, and to regulate body health. Most of us have tried to lose weight, are trying to lose weight, or will try to lose weight at some point. What we mean by that is lose fat. However, we need
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Can you eat the skin of all fruit and vegetables? Some fruits have a poisonous skin that it is better to avoid. The skin of some vegetables is too difficult to chew. What is a fruit? A fruit is a mature, ripened ovary, and the contents of the ovary. The ovary is the female part
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