The most important function of the diaphragm | vedclass

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(D) The diaphragm is a dome-shaped muscular partition that separates the thoracic cavity from the abdominal cavity.Its primary and most critical funct

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To aid in ventilation

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(D) The diaphragm is a dome-shaped muscular partition that separates the thoracic cavity from the abdominal cavity.Its primary and most critical function is to facilitate the process of breathing (ventilation).When the diaphragm contracts,it flattens,increasing the volume of the thoracic cavity,which decreases the pressure inside the lungs,allowing air to flow in (inhalation).When it relaxes,it returns to its dome shape,decreasing the thoracic volume and forcing air out (exhalation).Therefore,it is the primary muscle responsible for pulmonary ventilation.

The most important function of the diaphragm in mammals is:

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