If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
A woman's sense of smell is most sensitive during ovulation.
34
Human teeth are almost as hard as rocks!
47
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Flu shots only work about 70% of the time.
18
If you cut a 'V' shape into your toe nails, you can prevent 'in-grown' toe nails.
22
The lense of the eye continues to grow throughout a person's life.
34