Gloriahontoriaviz
Answered

as a result of low blood pressure, blood in the veins as it returns to the heart could backflow. this prevented by the presence of?​

Sagot :

Rowellamationg44viz

Answer:

These valves ensure that blood flows in only one direction, preventing backflow. The tricuspid valve is situated between the right atrium and right ventricle. The pulmonary valve is between the right ventricle and the pulmonary artery.