Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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
A human being loses an average of 40 to 100 strands of hair a day.
133
The average sperm cell swims at 8 inches per hour.
76
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
There's 100 trillion good bacteria living in your body.
17
The human sigh acts as a physiological reset button.
23
