Biology, 27.06.2019 06:10 KaleahV

When contrasting arteries and veins ,which of the following statements is true?
a. veins have thicker walls than arteries.
b. arteries have a thicker tunica media than veins.
c. veins have a tunica media while arteries do not.
d. arteries have valves, but veins do not.
e. arteries have smooth muscle in their walls, but veins do not.

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When contrasting arteries and veins ,which of the following statements is true?
a. veins hav...

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