In which disease does acute chest pain appear when not enough oxygen is reaching the heart muscle?

$CAD$ stands for

The deposition of calcium,fat,cholesterol,and fibrous tissues in the lumen of arteries causes:

Select the correct option for $Angina$ $pectoris$.

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

Match List-$I$ with List-$II$ and select the correct option:

List-$I$	List-$II$
$A$. Cardiac arrest	$(I)$. Heart not pumping blood effectively
$B$. Heart failure	$(II)$. Heart muscle is suddenly damaged
$C$. Heart attack	$(III)$. Acute chest pain
$D$. Angina	$(IV)$. Heart stops beating