shazam6828 shazam6828

04-09-2018
Biology

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N normal exhalation, the diaphragm and intercostal muscles relax to contract the chest, which creates a positive pressure. this is what type of process?

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BioWizard BioWizard

13-09-2018

This is the passive type of process.

As the diaphragm relaxes, the pleural cavity contracts, which exerts pressure on the lungs. As a consequence, the volume of the lungs reduces and the air is passively pushed out of the lungs. Exhalation is passive, thanks to the elastic properties of the lungs.

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