★ Cardiovascular System Quiz
Oxygenated blood returns to the heart by the
A. Aorta
B. Pulmonary vein
C. Pulmonary artery
D. Vena cava
Select your answer:
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Circulation of Blood › ViewWhat type of blood vessels are the blue ones?
A. Arteries are the blood vessels that carry deoxygenated blood.
B. Veins are the blood vessels that carry oxygenated blood.
C. Veins are the blood vessels that carry deoxygenated blood.
D. Arteries are the blood vessels that carry oxygenated blood.
Physiology › View
Which of the following has the lowest total cross-sectional area in the body?
A. aorta
B. venules
C. capillaries
D. arterioles
E. veins