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The atrioventricular valves prevent the backflow of blood into the atria when the ventricles are contracting. The semilunar valves prevent backflow from the arteries into the ventricles.

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9y ago
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5mo ago

Yes, the aortic semilunar valve opens when the left ventricle contracts during systole. This allows blood to be ejected from the left ventricle into the aorta to be circulated throughout the body.

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13y ago

yes that's correct

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13y ago

Left ventricle

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Q: Does the aortic semilunar valve open when the left ventricle contract?
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Related questions

What comes after the aortic semilunar valve?

The blood flows through the aorta after exiting the left ventricle through the aortic valve.


What heart valve is located between the left ventricle and the aorta?

the aortic valveThe Aortic valveThe aortic semilunar valve lies between the left ventricle and the aorta.


Where is the aortic valve?

The aortic semilunar valve is located between the left ventricle and the aorta.


What valve prevents blood back flow from aorta to left ventricle?

Pulmonary semilunar valve (pulmonary valve)


What valve is at the entrance to the aorta?

The heart pumps blood from the left ventricle through the aortic semilunar valve into the Aorta.


The valve that prevents blood from returning after the left ventricle has emptied itself is the?

Aortic semilunar valve


How many cusps does the aortic semilunar valve have?

There are three cusps in the aortic valve; the right, left and noncoronary cusps The aortic semilunar valve is composed of three cusps and opens only when the left ventricle contracts. I hope this helps


What guards the opening between left atrium and left ventricle?

Aortic Semilunar Valve


Which structure marks the end of the left ventricle and the entrance to the aorta?

aortic semilunar valve


Which heart valves prevent backflow into the ventricles?

The semilunar valves prevent backflow into the ventricles. The pulmonary semilunar valve prevents backflow in the right ventricle, and the aortic semilunar valve prevents backflow of blood in the left ventricle.


What cause the semilunar valves to close?

what cause the aortic semilunar valve to close...greater pressure in the aorta than in the left ventricle


What pathway does the blood flow when the ventricles undergo contraction?

When the ventricles contract, the right ventricle pushes blood up through the pulmonary semilunar valve into the pulmonary arteries via the pulmonary trunk, and the left ventricle pushes blood up through the aortic semilunar valve into the Aorta.