Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Your body is creating and killing about 2.4 million red blood cells per second.
17
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
If you hold farts in during the day, they'll just come out when you sleep.
16