The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average sperm cell swims at 8 inches per hour.
4
Your hair grows faster in the morning than at any other time of day.
91
Your heart pumps about 2,000 gallons of blood each day!
53
Surgeons who listen to music during operations perform better than those who don't .
87
In one day, adult lungs move about 10,000 litres of air.
11
The first patented condom was meant to be reused!
47
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77