Monday, 12 April 2010

6 Facts About Lungs

1 - An estimated 90% of the lung is filled with air and only 10% is hard tissue.

2 - The lungs are the largest organ is the body.

3 - About 1 litre of air always stays in the lungs no matter how hard we breathe out.

4 - In an average lifetime a person takes around half a billion breaths.

5 - You breath out 23,000 times a day.

6 - You have two lungs, but you could live with just one!

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