Question

One purpose of valves in the cardiovascular system is to:_________.

A) provide sounds so that heart health can be monitored.
B) ensure that blood flows in one direction.
C) prevent blood from flowing too quickly.
D) regulate blood pressure.
E) provide the force for circulation

Answer 1

The answer is B, To ensure that blood flows in one direction.

Step-by-step explanation:

Your valves are there to prevent backwards blood flow and keep your blood moving all in one direction.