Lungs are made up of air-filled sacs, the alveoli . They do not collap – InterviewSolution

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1.	Lungs are made up of air-filled sacs, the alveoli . They do not collapse even after forceful expiration because ofA. Inspiratory Reserve VolumeB. Tidal VolumeC. Expiratory Reserve VolumeD. Residual Volume
Answer» Correct Answer - D Lungs are made up of air-Iilled sacs, the alveoli. TheyÂ do not collapse even after forceful expiration. because of residual volume.Â

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