Answer:
the third option, commensalism
Explanation:
<span>This is the "Follicle stimulating hormone (FSH)." This FSH hormone is essential to the reproductive system in general.
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The statement is true. Atelectasis is the collapse or closure of a lung resulting in reduced or absent gas exchange. It may effect part or all of a lung. An airway blockage also can cause Atelectasis. A blockage may be due to a foreign object, a mucus plug, lung cancer, or a poorly placed breathing tube from a ventilator. When a blockage occurs, the air that's already in the air sacs is absorbed into the bloodstream.
