Kyutiedask10 Kyutiedask10

06-01-2017
Health

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25 POINTS!!!!
In general, how do veins differ in structure from capillaries and arteries?

A. Veins have more smooth muscle tissue than arteries and capillaries.
B. Veins appear rounder in a cross section than arteries and capillaries.
C. Veins have valves which are absent in arteries and capillaries.
D. Veins have thinner inner walls than arteries and capillaries

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Аноним Аноним

06-01-2017

the answer is letter choice D

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06-01-2017

D. Arteries are the main branches and veins are smaller and thinner to transport blood to other parts of the body that arteries aren't

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