During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. Which of these v

Question

tatyana61 [14]

3 years ago

12

During the systole phase of the cardiac cycle, the left ventricle contracts and blood is pumped into the aorta. Which of these v

alves prevents a backflow of blood into the left atrium?

Biology

1 answer:

Morgarella [4.7K] · Answer 1 · 2022-10-29T14:31:02+03:00

Morgarella [4.7K]3 years ago

4 0

The two semilunar valves, the pulmonary and aortic valves, are closed, preventing backflow of blood into the right and left ventricles from the pulmonary trunk on the right and the aorta on the left.