Biology, 08.06.2021 19:30 didi45

What prevents blood from circulating backward in veins? A. valves
B. capillaries
C. lungs
D. heart

Answers: 1

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What prevents blood from circulating backward in veins? A. valves
B. capillaries
C. lun...

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More questions: Biology Another questions

What prevents blood from circulating backward in veins? A. valves B. capillaries C. lungs D. heart

Answers

Another question on Biology

What prevents blood from circulating backward in veins? A. valves
B. capillaries
C. lungs
D. heart