The valves in the heart allow the blood flow | vedclass

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(A) The heart contains valves that ensure unidirectional blood flow and prevent backflow.$I.$ Atrioventricular valves (Tricuspid and Bicuspid) allow b

Vedclass · Accepted Answer

$I$ and $II$

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(A) The heart contains valves that ensure unidirectional blood flow and prevent backflow.$I.$ Atrioventricular valves (Tricuspid and Bicuspid) allow blood to flow from the atria to the ventricles.$II.$ Semilunar valves (Pulmonary and Aortic) allow blood to flow from the ventricles into the pulmonary artery and aorta,respectively.$III.$ There is no valve between the pulmonary artery and the aorta; blood does not flow between them directly.Therefore,statements $I$ and $II$ are correct,while statement $III$ is incorrect. The correct option is $A$.

The valves in the heart allow the blood flow in which direction?
$I.$ From atria to ventricles
$II.$ From ventricles to pulmonary artery
$III.$ From pulmonary artery to aorta
Choose the correct option.

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The valves in the heart allow the blood flow in which direction?$I.$ From atria to ventricles$II.$ From ventricles to pulmonary artery$III.$ From pulmonary artery to aortaChoose the correct option.