Arterial inelasticity or hardening of arteries in human is called . . . . . . .

The murmuring sound in the heart takes place due to

Given below are two statements regarding silent heart attack.
Statement $I$: This type of heart attack shows symptoms like chest pain and shortness of breath.
Statement $II$: In this type of heart attack,usually the person shows very mild symptoms and thus it is ignored.
In the light of the above two statements,choose the correct answer from the options given below.

Coronary artery disease is often referred to as:

Briefly describe the following (Any four):
$(a)$ Anaemia $(b)$ Angina Pectoris $(c)$ Atherosclerosis $(d)$ Hypertension $(e)$ Heart failure $(f)$ Erythroblastosis foetalis

Dropsy means