Multiple Choice
How do veins prevent backflow of the low-pressure blood they carry? Select the TWO answers that apply.
A) The muscular contractions of the skeletal muscles in which the veins are found provide movement.
B) Valves located in the veins prevent backflow.
C) Capillaries allow blood to move in both directions so that backflow can be controlled.
D) All of the answers are correct.
E) None of the answers are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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