Explanation

I and II. Types of Valve (i) Atrioventricular Valve These are two types Bicuspid valve It also called mitral valve which is present on the left side between the left atrium and left ventricle. It consists of two cups of flaps Tricuspid valve It consists of three flaps or cups present between the right atrium and right ventricle (ii) Semilunar Valve It is present where the arteries leaves heart. They are of two types (a) Pulmonary valve (b) Aortic valve, which are present at the base of pulmonary artery and aorta, respectively. The pulmonary and aortic valves are virtually identical through aortic valve consists of thicker fibrous structure than the pulmonary valve