* The stomach
takes 20 minutes to tell the brain that it is full and one should stop eating.
* The thickness of the skin varies from ½ to 6
mm, depending on the area of your body.
* The four taste zones on your tongue are bitter
(black), sour (back sides), salty (front sides), sweet (front).
* One uses
14 muscles to smile and 43 to frown.
* It takes the interaction of 72 different
muscles to produce human speech.
* The strongest muscle of the body is the
masseter muscle, which is located in jaw.
* The large intestine is 150 cm
long and 3 times wider than the small intestine.
* Most people shed 20 kg of
skin in a lifetime.
* When you sneeze, air rushes
through your nose at the rate of 156 kmph.
* An eye lash lives about 150
days before it falls out.
* Our brain sends messages at
the rate of 375 kmph.
* About 5-6 litres of blood is
filtered by 2 million of nephrons 37 times a day.
* Each of our eyes has 120 M
rods, which help us to see in black and white.
* Each eye has 6M cones, which
help us see in colour.
* We blink our eyes about 20,
000 times a day.
* Our heart beats about 100,
000 times/day.
* Placed end-to-end all our
body’s blood vessels would measure about 90, 000 kms.
* The average human brain has
about 100 billion nerve cells.
* The thyroid cartilage is more
commonly known as the Adam’s apple.
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