What is the purpose of the heart valves? To control the flow of blood through the heart and prevent blood backflow O To prevent blood backflow from the atria into the ventricles O To remove oxygen...

I believe it’s the first choice but not confident

Extracted text: What is the purpose of the heart valves? To control the flow of blood through the heart and prevent blood backflow O To prevent blood backflow from the atria into the ventricles O To remove oxygen from the blood O To pump oxygen into the blood