Biology for IGCSE & O level - Transport In Animals (Section 3 - No. 14)
What is the role of the pulmonary valve?
To prevent backflow from the right ventricle to the right atrium.
To prevent backflow from the pulmonary artery to the right ventricle.
To prevent backflow from the left ventricle to the left atrium.
To prevent backflow from the aorta to the left ventricle.
Explanation
The pulmonary valve prevents the backflow of blood from the pulmonary artery into the right ventricle.
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