a. Anaemia

b. Angina Pectoris

c. Atherosclerosis

d. Hypertension

e. Heart failure

f. Erythroblastosis foetal

solution –

a. Anaemia : it occurs because of the decrease in the haemoglobin count

b. Angina Pectoris : it takes place when the oxygen supply to the heart muscles is reduced causing chest pain and discomfort

c. Atherosclerosis : it is the condition when fat gets deposited on the walls of the artery

d. Hypertension : when blood pressure increases from its normal value that is 120/80 mm of Hg its said to be hypertension

e. Heart failure : heart fails to pump the amount of blood required by the body , then such condition is termed as heart failure .

f. Erythroblastosis foetal : when there is incompatibility between the mother and foetus’s Rh factor then the destruction of  foetal RBC’s take place , such condition is known as Erythroblastosis foetal .