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Test your knowledge of first aid by taking this quiz.
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What happens to that cheeseburger and fries (or, we hope, that whole wheat bread
and green salad) you had for lunch? During the digestive process, food is converted into
energy that's used by your body. Take this quiz to see how much you know about how digestion works.
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What's the most sensitive part of your body? Are women less sensitve to pain than men? Does everyone feel pain? Get answers to these questions and more by taking the pain quiz.
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