<h2>Expiration is typically a passive process that happens from the relaxation of the diaphragm muscle (that contracted during inspiration). The primary reason that expiration is passive is due to the elastic recoil of the lungs. Exhalation begins when inhalation ends.
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Hope this helps!
Answer:
Option A is the answer
Explanation: I took the test
Answer:
The answer is TRUE
Explanation:
The statement is about the Tight Junctions. It is true.
