Quiz: What’s Your Body’s IQ?
Which section of your body hosts 100 trillion bacteria? Which organ can move more than 100,000 times each day? Take this quiz to see how well you know the body you're living in.
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Which section of your body hosts 100 trillion bacteria? Which organ can move more than 100,000 times each day? Take this quiz to see how well you know the body you're living in.