The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
When a person dies, hearing is usually the last sense to go.
124
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Dieters who sleep more take off more fat that those who sleep less.
159
Your body is creating and killing 15 million red blood cells per second.
50
The average sperm cell swims at 8 inches per hour.
76
Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160