HMS, BM EQ-Bank 106 MC

During sustained swimming, what is the primary role of the circulatory system in supporting movement?

Only removes lactic acid from muscles
Only increases oxygen delivery to active muscles
Delivers oxygen and removes waste products from active muscles
Only maintains core body temperature

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\(C\)

Show Worked Solution

C is correct: The circulatory system delivers oxygen to muscles while removing waste products during swimming.

Other Options:

A is incorrect: Ignores oxygen delivery role.
B is incorrect: Misses waste removal function.
D is incorrect: Omits critical gas exchange function.