8. All of the following are heart valves except a. The aortic valve. b. The atrial valve. c. The tricuspid valve. d. The mitral valve.
There are four chambers of heart, two atria-also called as upper heart chambers, and two ventricles-lower heart chambers. Through the valve, blood passes before leaving the heart chambers. The main function of the valve is to prevent the backward flow of blood.
The tricuspid valve and the mitral valve are present between the atria ( upper heart chambers) and the ventricles (lower heart chambers).
The aortic valve and the pulmonary valve are prevent between the ventricles and the blood vessels which leave the heart. Therefore, tricuspid valve is present between the right atrium and ventricle. The mitral valve is present between the left atrium and ventricle. The aortic valve is present between the aorta and the left ventricle. The pulmonary valve is present between the right ventricle and the pulmonary artery.
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