People need to periodically cough and take deep breaths to keep their lungs fully inflated. Most do so automatically, unconsciously. Those who are weak and/or debilitated often cannot do so (too weak, too sleepy). The bottom of their lungs partially collapse, often with eventual development of pneumonia
Answered 4/13/2021
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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