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9. Which of the following statements is INCORRECT? A Only arteries carry oxygenated blood. B. Both arteries and veins branch out into capillary beds. C. Both arteries and veins have a layer of smooth muscle. D. Capillaries regulate blood flow through the different organs​

Sagot :

Answer:

A

Explanation:

If only arteries carry the oxygenated blood, then how was the oxygenated blood made in the first place? They go through the lungs to get oxygenated, therefore, A, is the incorrect answer among the 4.