why Paralysis of external antercostal muscle not sever?
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Answer:
When you exhale: the external intercostal muscles relax and the internal intercostal muscles contract, pulling the ribcage downwards and inwards. the diaphragm relaxes, moving back upwards. lung volume decreases and the air pressure inside increases.
Answered by
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Explanation:
When you exhale: the external intercostal muscles relax and the internal intercostal muscles contract, pulling the ribcage downwards and inwards. the diaphragm relaxes, moving back upwards. lung volume decreases and the air pressure inside increases.
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