Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle.
Reason`:` It is caused by deposits of calcium, fat, chalesterol and fibrous tissue which makes the lumen of arteries narrower.

Read the following statements (A-D) A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heart muscle. B. The electrocardiogram (ECG) on graph paper. During a cardiac cycle , the right ventricle pumps out about 70ml of oxygenated blood which is called stroke volume. D. The second heart sound is associated with the closure of the semilunar valves. How many statements from the above is / are incorrect ?

Read the following statements (A-D) A. Coronary Artery Disease is also called atherosclerosis that affects the vessels that supply blood to the heat muscle. B. The electrocardiogram (ECG) on graph paper. During a cardiac cycle , the right ventricle pumps out about 70ml of oxygenated blood which is called stroke volume. D. The second heart sound is associated with the closure of the semilunar valves. How many statements from the above is / are incorrect ?

Assertion:In coronary heart disease there is impairment of heart muscle Reason:Reduced blood supply

Assertion:In coronary heart disease there is impairment of heart muscle Reason:Reduced blood supply