The largest cell in the human body is the female egg and the smallest is the male sperm.
682
It takes about 20 seconds for a red blood cell to circle the whole body.
102
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
Redheads require up to 20% more anesthesia to be knocked out.
112
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45