How does the action of external intercostal muscles draw air up your nose
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the external intercostal muscles relax and internal intercostal muscle contrast , pulling the rib cage downwards and inwards , moving back upwards. the lung volume decrease and air volume inside increases and hence air is pushed out of lunga plz mark brainest
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6
Answer:
external intercoastal muscle when contracts the volume of the thoracis cavity increases and we are able to draw air up on our nose.
Explanation:
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