The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The average sperm cell swims at 8 inches per hour.
76
The human sigh acts as a physiological reset button.
23
Your heart will pump about 212 million liters in its lifetime.
26
Within three days of death, the enzymes that once digested your food begin to eat you.
22
You see your nose at all times, your brain just chooses to ignore it.
30