Unit Test

Question 21 of 24 • 25-26 Summer - Humble ISD CR - Biology B - 3rd Nine Weeks

What do the rib muscles and diaphragm have in common?

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Answer

Both aid in the expansion and relaxation of lungs.

Both produce red blood cells that carry oxygen.

Both filter air before it is delivered to the body’s cells.

Both deliver carbon dioxide to the surrounding muscle tissue.