Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
In one day, adult lungs move about 10,000 litres of air.
11
Tigers can see 6 times better at night than humans.
305
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
Human hair and fingernails continue to grow after death.
7
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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