Multiple Choice
What is the function of the valves in veins?
A) They act as pumps to move blood forward.
B) Collection area for plaque.
C) Prevention of forward blood flow.
D) Prevention of backward blood flow.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q2: When a blood vessel is damaged, the
Q3: Which white blood cell attacks parasitic worms?<br>A)
Q4: How do you know this is a
Q5: _ is an odorless gas that binds
Q6: The ventricles are thicker than the atria
Q8: What is the name of the membrane
Q9: Which letter identifies the smooth muscle layer?
Q10: What is the key risk of hypertension?<br>A)
Q11: What condition usually develops as a result
Q12: The flow of blood from the right