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Nothing, it is only pressure that keeps blood moving in the right direction in arteries. Veins have valves that prevent backflow of blood, but arteries do not.

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15y ago

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Do the larger arteries contain valves to prevent the back flow of blood?

No, veins have the valves, arteries don't.


What is defferance in artey or vien?

Arteries carry oxygenated blood away from the heart to the body's tissues, while veins transport deoxygenated blood back to the heart. Arteries have thicker walls and a pulse, while veins have thinner walls and contain valves to prevent backflow of blood.


Why do giraffes have valves in their carotid arteries?

They have very long neck which the pulses in the arteries are not strong enough to push the blood up to the brain. The "VALVES" prevent the back flow of blood.........


Do smooth muscles prevent the backward flow of blood toward your heart?

No. Valves in the arteries are responsible for preventing back-flow of blood, not smooth muscles.


TYpe of blood vessels delivers oxygen-rich blood from the heart?

The arteries carry oxygen-rich blood away from the heart and to the rest of the body. Veins carry oxygen-poor blood back to the heart to be oxidized.


Blood vessels that carry blood away from the heart are?

Arteries.


What does blood in arteries do?

bring blood back from heart


What is a thick walled blood vessels that carry blood awayfrom the heart?

Arteries ALWAYS bring blood away from the heart. Vein bring it back.


Are blood vessels that carry blood from the body back to the heart arteries?

No! Arteries convey blood away from the heart.


What keeps the blood pumping in the right direction?

the contractions of the heart push the blood through vents, which close after the blood has passed to prevent back flow. these vents are also in Arteries.


Does arteries have valves to prevent back flow?

No, veins have the valves, arteries don't.


What are the vessels called that carry blood away from the heart?

arteries