Wednesday, January 16, 2013

Weird Stuff Wednesday

Weird Stuff Wednesday
The human lungs contain approximately 2,400 kilometres (1,500 mi) of airways and 300 to 500 million hollow cavities, having a total surface area of about 70 square metres, roughly  the same area as one side of a tennis court.  Furthermore, if all of the capillaries that surround the lung cavities were unwound and laid end to end, they would extend for about 992 kilometres.  Also, your left lung is smaller than your right lung to make room for your heart.

Take Care of your Lungs...

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