Select your answer:

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Transport system in Living Things (Human) › View Which blood vessel is shown in the middle of the image?
A. artery
B. vein
C. capillary
D. pulmonary
Cardiorespiratory System › View
Besides delivering oxygen to your muscles, what is another important function of the cardiorespiratory system?
A. Eliminating carbon dioxide from cells
B. Obtaining nutrients from food
C. Absorbing vitamins
D. Eliminating carbon monoxide from cells