Monday, July 24, 2006

Human Body - Lungs

Text and diagrams to eaplain the function of the lungs in the human body

Human Body - Lungs

Our lungs enable us to take in oxygen from the atmosphere and to dispose of the carbon dioxide, which our cells produce as a waste product.

To breath in your diaphragm (a large muscle below the lungs) contracts, your ribs are raised upwards and air is sucked into you r lungs. When you breath out your diaphragm and ribs relax and the air is forced out again......

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