Assuming the airway is open, air from the exterior setting then follows its pressure gradient down and expands the alveoli of the lungs, where gas exchange with the blood takes place.
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It lurks in the Produce Division, sneaky-silent, all tied up in a bunch, seemingly minding … Read the rest
It lurks in the Produce Department, sneaky-silent, all tied up in a bunch, seemingly minding its personal business even because …