Your heart beats over 100,000 times a day!
54
The average person's skin weighs twice as much as their brain.
131
The average sperm cell swims at 8 inches per hour.
76
Sex burns about 360 calories per hour.
860
Men have larger hearts; women's hearts beat faster.
77
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Chocolate, sex, and laughter are all important for a healthy brain.
37