Saturday, 21 December 2013

Cool Human Body Facts

1) The brain is much more active at night than during the day .
2) During your lifetime, you will produce enough saliva to fill two swimming pools .
3) Your nose can remember 50,000 different scents .
4) Women's hearts beat faster than men's .
5) Your eyes are always the same size from birth (but your nose and ear never stop growing) .
6) The brain itself cannot feel the pain .
7) The largest internal organ is the Small intestine .
8) Sneezes regularly exceed 100 mph & nerve impulses to and from the brain travel as fast as 170 miles per hour .
9) It takes 17 muscles to smile and 43 to frown .
10) The average human brain has about 100 billion nerve cells .
11) The only  jointless bone in your body is the hyoid bone in your throat .
12) It's impossible to sneeze with your eyes open .

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