Question

Explain magnecism of inhalation and exalation

Answer 1

Inhalation Mechanism

Diaphragm muscles contract and flattens outVolume of thoracic cavity increasesAir pressure inside thoracic cavity decreasesAir flow into lungRibcage move forward and upward

Exhalation Mechanisms

Diaphragm relax and arches upwardsVolume of thoracic cavity decreasesAir pressure inside thoracic cavity inrcreasesAir flow out of the lungRibcage move downward and inward