What Makes Your Foot Go to Sleep?
What Makes Your Foot Go to Sleep? When you sit with your leg doubled up, you are squeezing the blood vessels in your leg so that the blood can barely pass through them....
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How Do We Know When We Are Hungry?
How Do We Know When We Are Hungry? Hunger begins when substances like glucose (sugar), minerals, vitamins, and amino acids are missing from the blood. Nerves in the...
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What Do You Mean by the Term Give Their Eyeteeth?
What Do You Mean by the Term Give Their Eyeteeth? If you would give your eye teeth for something, you would very much like to have or be that thing. People are just...
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Why Do We See Stars When We Bump Our Heads?
Why Do We See Stars When We Bump Our Heads? The “Stars” we see if we receive a hard blow on the head are really a sensation of light caused by the nerves of the eye....
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Why Do People Get Headaches?
Why Do People Get Headaches? Headaches actually occur in the muscles, blood vessels, and nerves found in the head and neck. When these areas experience swelling or...
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