If the Epithelium That Lines the Air Sacs of Your

question 43

Multiple Choice

If the epithelium that lines the air sacs of your lungs were to gain a layer of cells, which of the following would likely occur?

• A)Oxygen will enter the lungs more quickly.
• B)Oxygen will enter the lungs more slowly.
• C)Secretion of mucus will increase.
• D)Oxygen will enter at the same rate, because it is only the shape of the cells that matter.

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