Multiple Choice
What is a portal system of circulation?
A) Circulation of blood through arteries to capillaries to veins and then to the heart
B) An area of the venous system where blood slows to allow for nutrient absorption
C) Circulation of blood through two capillary beds before returning to the heart
D) Blood flow to and from the liver
Correct Answer:

Verified
Correct Answer:
Verified
Q34: Match each vascular structure to its function
Q35: The blood vessel that receives all blood
Q36: Match each vascular structure to its function
Q37: How does blood flow through the pulmonary
Q38: The two arteries that supply blood to
Q40: Match each vascular structure to its function
Q41: What mechanisms assist venous return?<br>A) One-way valves,
Q42: Match each vascular structure to its function
Q43: Match each vascular structure to its function
Q44: The two principal veins of the legs