Why Do We Yawn?
Why Do We Yawn? Though we don’t know all the reasons for yawning, it is usually a way of helping our breathing. That extra deep breath gets oxygen into our...
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What Is a Fever?
Fever is a body temperature that is higher than normal. (If your body temperature is higher than 98.6 degrees Fahrenheit when you are sick, you probably have a fever.)...
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Why Do Mexican Jumping Beans Jump?
Why Do Mexican Jumping Beans Jump? A jumping bean’s movement is caused by a larva, or caterpillar, wriggling around inside it. The “beans” are...
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Where Does My Hair Get Its Color?
Hair color comes from melanin a coloring matter, some people call it pigment. Your body adds pigment to hair cells as they form in the roots. The more melanin your hair...
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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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