HMS, BM EQ-Bank 54 MC

During a netball game, which sequence accurately shows how the respiratory and circulatory systems work together in the goal shooter's muscles?

Increased breathing rate → reduced heart rate → greater oxygen delivery
Increased breathing rate → blood redirected to digestive organs → greater oxygen delivery
Increased breathing rate → enhanced blood flow → greater oxygen delivery
Increased breathing rate → enhanced blood flow → greater carbon dioxide delivery

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\(C\)

Show Worked Solution

C is correct: Increased breathing raises oxygen intake, and enhanced blood flow carries more oxygenated blood to the working muscles.

Other Options:

A is incorrect: Heart rate increases, not decreases, during exercise.
B is incorrect: Blood is redirected away from digestive organs toward working muscles.
D is incorrect: Blood delivers oxygen to the muscles and removes carbon dioxide from them.