If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
The human brain is more active during sleep than during the day.
28
There are about 1,400 different species of bacteria in your belly button.
10
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Most dreams last only 5 to 20 minutes.
79
One quarter of the human brain is used to control the eyes.
43
Deep Breathing gives you health benefits similar to aerobics.
39
Lack of water is the #1 trigger of daytime fatigue.
148