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
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
If you hold farts in during the day, they'll just come out when you sleep.
16
Your thumb is about the same size as your nose.
124
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17