There are about 1,400 different species of bacteria in your belly button.
10
A human being loses an average of 40 to 100 strands of hair a day.
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"Fish odor syndrome" is a rare genetic disorder that causes people to smell like rotten fish.
5
Fingernails grow nearly 4 times faster than toenails!
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Every hour one billion cells in the body must be replaced.
17
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
Like fingerprints, everyone's tongue print is different!
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