17 Interesting Facts About Human Body

Liver is the heaviest organ in our body, weighing about 1.6 kg.
Each day our heart beats normally over 1,00,000 times.
The normal temperature of our body is 37°C or 98° F
There are 206 bones in our skeleton. A newborn baby has 300 bones, out of which 94 bones join together as he or she grows.
Most people have 12 pairs of ribs. But one out of every 20 people has at least one extra pair.
An average man has about 5.5 litres of blood.
Each side of the brain controls the opposite side of the body.
The hair on our head usually lives for 2-6 year before dropping out.
The fastest muscles in our body are those that blink the eyelids. We can blink as fast as 200 times per minutes.
Our eyelids have the thinnest skin on our body (only 1 mm thick) while our soles have the thickest skin (about 3 mm thick)
It takes about 17 muscles to smile, but about 43 to frown.
The size and shape of a person’s nose can affect his or her voice.
The coronary heart disease is the most common cause of sudden death.
One brain cell may be connected to as many as 25,000 other brain cells.
A meal takes as long as 15 hours to pass through our whole digestive system.
Through blinking, we spend about half an hour of our walking day with our eyes closed
The thigh bone, called femur, is the longest and the largest bone in our body. The smallest bone is the stirrup bone in the middle ear.

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