What changes in ribs can be observed while inhalation and exhalation
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We can see change in shape of diphragram during inhalation and exhalation with the help of intercoastal muscle there is no change came in ribs .
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While inhalation , ribcage upwards and outwards. The diaphragm contracts, pulling downwards. Lung volume increases and the air pressure inside decreases.
While exhalation , ribcage moves downwards and inwards. The diaphragm relaxes , goes upwards , Lung volume decreases and the air pressure inside increases.
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