what can be concluded from mechanism of respiration in human beings
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during respiration air from outside enters into the lungs by increasing thoraic cavity.
during expiration the diaphragm and ribs come back to original positions.by reducing volume of thoraic cavity.
so the volume of lungs is decrased and air under pressure comes out of lungs.
hope u ll help ful by this answer plzz click on heart icon and mark as brainliest answer------------------------------------------------------------------------------------------
during respiration air from outside enters into the lungs by increasing thoraic cavity.
during expiration the diaphragm and ribs come back to original positions.by reducing volume of thoraic cavity.
so the volume of lungs is decrased and air under pressure comes out of lungs.
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