explain the mechanism of breathing in humans
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Inhalation and exhalation are the processes by which the body brings in oxygen and expels carbon dioxide. The breathing process is aided by a large dome-shaped muscle under the lungs called the diaphragm......
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The process of taking air into and expelling it from the lungs is called breathing. The action of taking in and out is due to the changes of pressure within the thorax,in comparison with the outside when we inhale the intercostal muscles and diaphragm contract to expand the chest cavity.
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