Interesting Physiological Facts

• One uses 14 muscles to smile and 43 to frown.

• The strongest muscles of the body is the masseter muscle, which is located in jaw.

• The small intestine is about 750 cm long.

• The large intestine is 150 cm long and 3 time wider than the small intestine.

• One heart beats about 100,000 times a day.

• The nose can remember 50,000 scents.

• Our brain send messages at the rate of 375 kmph.

• Each of our eyes has 120 M rods, which help us see in black and white.

• Hair is made of the same substances as that present in fingernails.