5. What happens when the ventricles contract?
a. Bicuspid valve opens and the tricuspid valve closes
b. Tricuspid valve opens and the bicuspid valve closes.
c. Bicuspid and tricuspid valve opens,
d. Bicuspid and tricuspid valve closes
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5. What happens when the ventricles contract?
a. Bicuspid valve opens and the tricuspid valve closes
b. Tricuspid valve opens and the bicuspid valve closes.
c. Bicuspid and tricuspid valve opens,
d. Bicuspid and tricuspid valve closes
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Answer:
b
Explanation:
When the right ventricle contracts, the muscular force pushes blood through the pulmonary semilunar valve into the pulmonary artery. The blood then travels to the lungs, where it receives oxygen. ... When the left ventricle contracts, it forces the blood through the aortic semilunar valves and into the aorta.