What do the semilunar valves guard?

What do the semilunar valves guard?
  1. The circulatory pathways
  2. The ventricles
  3. The atria
  4. The pulmonary artery (right side) and the aorta (left side)

Solution

The semilunar valves guarding the pulmonary artery (right side) and the aorta (left side) are forced open.

Asked in: NCERT

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