In one day, adult lungs move about 10,000 litres of air.
11
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The human brain doesn't stop developing until about 25 years old.
102
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
By weight, Bone is five times stronger than steel.
417
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22