Which structures of the heart control the flow of the blood?
a) arteries
b) veins
c) valves
d) capillaries
Answers
Arteries and veins shares the same general features that have been listed by the walls of arteries.
This should contain that assist to act unidirectional flow of blood towards the heart.
This includes types of vessels and able to control the contraction and dilation of smooth muscles.
There is some variation in wall structure and in a large capillary function.
Correct answer: C) Valves
The valves of the heart control the flow of blood through the heart, they act as a one way doors, it open to allow the entry of the blood in to the chamber and then it closes to prevent the backward flow of blood.
The four types of valve present in the heart are tricuspid valve, pulmonary valve, mitral valve and aortic valve.
Tricuspid valve: It is find between the right atrium and left ventricle
Pulmonary valve: It is found in between the right ventricle and pulmonary artery
Aortic Valve: It is found between the left ventricle and the aorta
Mitral Valve: It is located between the left atrium and the left ventricle.