If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Staying awake for 17 hours is the same for your body as drinking 2 glasses of wine.
193
Our Right Lungs takes more air than our left lung.
194
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The average sperm cell swims at 8 inches per hour.
76
The human brain doesn't stop developing until about 25 years old.
102
Enamel is hardest substance in the human body.
61
Poor eyesight (myopia) is associated with higher IQ.
232