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What are valves in the body and what do they do?

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Dr. Mario Matos-Cruz
Surgery - Thoracic

In brief: 4

4 cardiac valves.
2 atrioventricular and 2 ventriculoarterial. 2 on the right heart 2 on the left heart. Each ventricle has an atrioventricular and a ventriculoarterial valve.They are one way valves. Flow is venae cavae to right atrium, RA to right ventricle via right av valve or tricuspid, rv to pulmonaryartery via pulmonic valve-lungs-left atrium-mitral valve-left ventricle-aortic valve- aorta.

In brief: 4

4 cardiac valves.
2 atrioventricular and 2 ventriculoarterial. 2 on the right heart 2 on the left heart. Each ventricle has an atrioventricular and a ventriculoarterial valve.They are one way valves. Flow is venae cavae to right atrium, RA to right ventricle via right av valve or tricuspid, rv to pulmonaryartery via pulmonic valve-lungs-left atrium-mitral valve-left ventricle-aortic valve- aorta.
Dr. Mario Matos-Cruz
Dr. Mario Matos-Cruz
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