There's 100 trillion good bacteria living in your body.
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When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
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The whiter your tongue, the more germs there are on it.
88
In Japan, condoms are commonly sold 'door to door'!
54
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
Flu shots only work about 70% of the time.
18
The average female will have 3.3 pregnancies in her life.
49