Your skin is actually an organ.
88
Human hair and fingernails continue to grow after death.
7
The right lung takes in more air than the left.
30
Your ears secrete more earwax when you are afraid than when you aren't.
235
Dating back to the 1600's, thermometers were filled with Brandy instead of mercury.
16
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130
One quarter of the human brain is used to control the eyes.
43
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
