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Human Body:Did you know that?

• The cell tiniest living part of your body.


• Skin is the largest organ of your body!


• The number of bones in your neck is the same as a giraffe's.


• Most of your body's calcium is contained in your bones and teeth!


• Muscles help you blink!


• There is a messaging system in your body!


• An adult eyeball is about the size of a golf ball, most of it hidden inside your head!


• No two persons have the same tongue print!


• The heart is a fist-sized muscle in your body!


• Blood is red in color but some of its cells are white!


• Your can survive with just one fully working lung!


• The average digestive tract6 is roughly the lenght of a double-decker bus!


• You can survive with one kidney, if one stops working the other enlarges to do all the work!


• Every uman being has spent about half an hour as a single cell!


• You are taller when you wake up than during the day!


• You need at least eignt hours of sleep to remain healthy!


• pulse rate is the number of times a person's heart beats in one minute!


• In thier average lifetime, a person walks the equivalent of 5 times around the equator.


• The average human produces 25,000 quarts of spit in a lifetime, enough to fill two swimming pools.


• Human have more facial muscles than any other animal on this earth!