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Q: Why veins have valves and arteries don?
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Do the arteries of limbs has valves?

No arteries have valves, only veins have valves to stop backflow.


What do arteries have that veins do not?

valves


What do veins have that arteries do not?

valves


Does arteries have valves to prevent back flow?

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


What do arteries contain that prevent the back flow of blood?

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.


What statement is true of arteries?

Arteries carry blood with oxygen to the heart. Veins carry blood full of carbon dioxide to the lungs. Arteries have a thick wall. Veins have a thin wall. Arteries have no valves. Veins have valves.


What are the chambers connected by?

Veins, arteries or valves


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

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


What is the difference between the blood in the arteries and the blood in the veins?

Veins do not pulsate Arteries pulsate Veins can easily collapse Arteries do not collapse (except in shock) Veins contain valves Blood pressure is low in the veins and higher in the arteries


What is the major difference between arteries and veins?

Arteries carry blood away from the heart. Veins return blood to the heart.


Arteries contain valves that do what?

No arteries do not contain valves since there is enough pressure from the heart to force blood through these vessels without significant backflow between contractions.


Do veins have valves and arteries don't?

veins have valves because they bring blood from the bottom half of your body and valves stop the back flow of blood since the veins work against gravity.