25 POINTS!!!!!!! Which blood vessels have thin, muscular walls and valves to prevent the backflow of blood? A. Veins B. Arterioles C. Capillaries D. Arteries

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asked Dec 22, 2018 39.8k views

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25 POINTS!!!!!!!

Which blood vessels have thin, muscular walls and valves to prevent the backflow of blood?

A. Veins
B. Arterioles
C. Capillaries
D. Arteries

Health
high-school

Nikhil Patil asked

by Nikhil Patil

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2 Answers

5 votes

C. Capillaries, is the best option.

Jason Spick answered Dec 25, 2018

by Jason Spick

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3 votes

Answer:

Veins

Step-by-step explanation:

Gerky answered Dec 27, 2018

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