Your body is creating and killing about 2.4 million red blood cells per second.
17
One human hair can support 3 ounces.
191
Our Right Lungs takes more air than our left lung.
194
Your thumb is about the same size as your nose.
124
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Enamel is hardest substance in the human body.
61
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