Q. What are Lungs?
A.The lungs, located in the thoracic cavity, are the main organs of respiration.
Diaphragm and lungs
The diaphragm, located below the lungs, is the major muscle of respiration. It is a large, dome-shaped muscle that contracts rhythmically and continually, and most of the time, involuntarily. Upon inhalation, the diaphragm contracts and flattens and the chest cavity enlarges. This contraction creates a vacuum, which pulls air into the lungs. Upon exhalation, the diaphragm relaxes and returns to its domelike shape, and air is forced out of the lungs.
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Wishing You Great Health!
Glen Edward Mitchell
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