1) where does the substance exchange occur? a) At the artery b) At the capillary c) At the vein d) All of the above 2) Which of the following carries oxygenated blood? a) An artery going to the lung b) An artery going to kidney c) A vein coming from the body d) A+B 3) How many sides does the heart have? a) 1 b) 4 c) 2 d) 3 4) Which of the following carries blood to the heart a) Vein b) Artery c) Capillary d) None of the above 5) How many types of vessels are there? a) 1 b) 2 c) 3 d) 4 6) Arteries... a) Have thick walls b) Carry blood from heart to body parts c) Usually carry oxygenated blood d) All of the above 7) Blood carries a) Oxygen only b) Carbon dioxide only c) Nutrients only d) All of the above 8) Which side of the heart pumps oxygenated blood? a) Right b) Left

Circulatory System 2

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