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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How Will You Explain Coffee-ground Emesis?
How Will You Explain Coffee-ground Emesis? Coffee-ground emesis is the term used for when someone has episodes of vomiting that resembles used coffee grounds. Coffee...
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What Do We Call a Person Whose Job Is to Collect People’s Blood?
What Do We Call a Person Whose Job Is to Collect People’s Blood? Sometimes we need to have blood tests to see what is making us sick or sometimes to make sure we...
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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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Do Insects Have Blood?
Do Insects Have Blood? Yes. Not only does an insect have blood, it also has a heart that pumps the blood throughout its body. The heart is a tube-shaped vessel...
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