How Do Snails Move?
How Do Snails Move? A snail moves around by creeping on a part of its body that seems to be its stomach. The fact is that the whole bottom part of a snail’s body...
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Where Did the Expression Charley Horse Come From?
Where Did the Expression Charley Horse Come From? If you have ever exercised too much and developed a painful muscle strain in a leg or arm, then you are acquainted...
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Why Do You Shiver When You Are Cold?
Why Do You Shiver When You Are Cold? When your body gets cold you can help it warm up by doing some kind of exercise. If you do not do that, your body has its own...
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Is It Natural to Swing Your Arms When Walking?
Is It Natural to Swing Your Arms When Walking? For a long time, scientists thought that swinging your arms while walking served no purpose. Their best guess was that it...
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Why Do My Muscles Grow Tired When I Exercise?
Why Do My Muscles Grow Tired When I Exercise? If you use your muscles for a long time when you exercise, a waste material called “lactic acid” collects in...
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