What is a primary symptom of oedema?

Manifestation of an increase in the blood pressure of a person is called:

Match the following:

Column-$I$	Column-$II$
$1$. $CAD$	$a$. Condition that affects the blood flow
$2$. Angina	$b$. Heart is not pumping blood effectively
$3$. Heart failure	$c$. Atherosclerosis

Atherosclerosis affects which of the following?

Given below are the abnormal conditions related to blood circulation. Name the disorders.
$(a)$ Acute chest pain due to failure of $O_{2}$ supply to heart muscles
$(b)$ Increased systolic pressure

Blocking of arteries due to the deposition of fats and calcium is called: