Topics: Cardiorespiratory Endurance Quiz
What 2 major organs of the body make up the Cardiovascular & Respiratory Systems?
A. Heart and Lungs
B. Heart and Blood
C. Blood and Arteries
D. Lungs and Blood
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Oxygen enters your blood while carbon dioxide is eliminated (when you exercise you need more oxygen and produce more waste)
A. Lungs
B. Cardiovascular System
C. Heart
D. Blood