When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Your skin is actually an organ.
88
Flu shots only work about 70% of the time.
18
Sex burns about 360 calories per hour.
861
If your DNA was stretched out it would reach to the moon 6,000 times.
256
There are about 1,400 different species of bacteria in your belly button.
10
By the age of 60, most people have lost 50% of their taste buds.
17
