ICSE Class X Biology 2022 Papers

Question : 30 of 36

Marks: +1, -0

Give the exact location of Pulmonary semilunar valve. When does it close?

Solution:

Pulmonary semilunar valves are located at the opening of the right ventricle into the pulmonary artery.

It closes at the beginning of ventricular diastole.

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