You are dissecting a species of amphibian that has just been discovered in the rainforest.You find a blood vessel where the blood travels at a low pressure and velocity.If the frog is in an upright position,blood flow through this vessel would also be against gravity.Anatomically,what do you expect of this blood vessel?
A) A high degree of compliance
B) A thick muscular wall
C) Large wall to lumen ratio
D) Valves that allow only one-way flow of blood
E) All of the answers are correct
Correct Answer:
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