Question

question 2
2 pts
four valves in your heart open and close in perfect rhythm, pumping oxygen - rich blood through your arteries.
true
false

Explanation:

The heart has four valves that open/close in a coordinated rhythm to ensure unidirectional blood flow. Oxygen-rich blood is pumped out of the left ventricle through the aortic valve into arteries to circulate the body. This matches the statement.

Answer:

True