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The valves of the heart act as one way doors.
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What keeps the blood moving round and round?

The pumping of the heart keeps the blood moving


What organ keeps blood flowing in one direction?

The heart is the organ that keeps the blood flowing. Valves in the heart ensure the flow is only in one direction.


Is the heart the pump that keeps blood moving?

Yes.


What keeps the blood moving throughout the body?

The heart.


What keeps the flowing in one direction?

The heart acts as a pump. When the heart beats, it pumps the blood in one direction.


How does the muscular system benefit the blood?

keeps blood moving through the heart and vessels


What does blood do when the heart is relaxed?

the heart never relaxes and the blood always keeps on moving to other parts of the body


What keeps blood moving in a circuit through the body even when the pressure is relatively low?

your heart is a pump and keeps the blood flowing


What is the function of valves in veins?

They ensure that the blood flows only in one direction (back toward the heart).


What keeps blood flowing towards the heart?

There are valves in the heart which open and close that allow the blood to be pumped in one direction only. See the related link for more information.


What structures of the heart keep blood flowing in one direction.?

One directional valves keep blood in the heart flowing in the right direction. There are three valves: biscupid valve, semilunar valve and tricuspid valve. These open to let the blood flow through then close to prevent the blood flowing back in the wrong direction making the heart less efficient.


What body part pumps blood around the body?

=which part of circulatory serve as a pump that keeps the blood moving?==a.arteries==b.blood vessels==c.veins==d.heart=