What type of circulation involves the exchange of gases (oxygen and carbon dioxide)? Check all that apply.

Pulmonary circulation carries blood between the heart and lungs, where blood exchanges carbon dioxide for oxygen. Systemic circulation carries blood between the heart and the rest of the body, where blood delivers oxygen to tissues and picks up carbon dioxide. Thus, pulmonary and systemic circulation both involve gas exchange; “regular circulation” and “heart circulation” are not the standard names for these circuits.

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