A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Drinking watermelon juice before a workout helps reduce muscle soreness.
21
On average, there's 100 billion neurons in the human brain.
83
Your skin is actually an organ.
88
Your tongue is the only muscle in your body that is attached at only one end.
173
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21