The thickening and hardening of the walls of arteries is called:

What is the full form of $CAD$?

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

The blood cancer is also known as

Which of the following diseases is also known as atherosclerosis?

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