What are the 4 main heart valves?

tricuspid valve: located between the right atrium and the right ventricle. pulmonary valve: located between the right ventricle and the pulmonary artery. mitral valve: located between the left atrium and the left ventricle. aortic valve: located between the left ventricle and the aorta.

What role do the 4 valves of the heart play?

The heart valves play a vital role in the function of the heart. All four valves open and close to help move blood from one area to another. Two of the valves, the mitral and the tricuspid valves, move blood from the upper chambers of the heart (the atria) to the lower chambers of the heart (the ventricles).

What are valves and what is their function?

The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have 3 flaps (leaflets), except the mitral valve.

Where are the 4 heart valves located?

The heart has four valves. The mitral valve, the tricuspid valve, the pulmonary valve and the aortic valve. The mitral and the tricuspid valves, also known as the atrioventricular valves, are located between the top chambers of the heart, the atria, and the lower chambers of the heart, the ventricles.

Where do the four valves of the heart work?

The heart has four heart valves – the aortic, mitral, pulmonary and tricuspid valves. All four valves open and close to help move blood from one area to another. Two of the valves, the mitral and the tricuspid valves, move blood from the upper chambers of the heart (the atria) to the lower chambers of the heart (the ventricles).

What makes up the four chambers of the heart?

The heart consists of four chambers and four valves that regulates blood flow. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium.

What are the two parts of the heart?

Human’s heart valves can be grouped into two parts: two Atrioventricular Valves and two Semilunar Valves. Consist of the bicuspid or mitral valve and tricuspid valve, your atrioventricular valves are accountable to halt the blood course going reverse into the atria from the ventricles.

What is the role of the aortic valve in the heart?

Aortic Valve Closes off the lower left chamber that holds the oxygen-rich blood before it is pumped out to the body. Opens to allow blood to leave the heart (from the left ventricle to the aorta and on to the body).