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The respiratory system performs which functions? Check all that apply.

controls the exchange of air and gases

regulates blood flow to the lungs

controls respiration

controls body temperature

Which best describes how the cardiovascular and respiratory systems work together?

The respiratory system makes it possible for the cardiovascular system tomake blood.

The respiratory system feeds gases into the bloodstream to support the needsof the body.

The respiratory system takes gases out of the blood so that no gases circulatein the body.

The respiratory system helps the blood make its own gases from scratch.

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