ABO Blood Group System was discovered by _____.
answer :Karl Landsteiner

The diseases that involve the heart or blood vessels are collectively called______.
answer: cardiovascular disorders

The period of ventricular contraction is called _____.
answer : ventricular systole

World Heart Day is held on ___th September.
26
27
28
29

Angina pectoris means _____.
chest pain
arteries pain
veins pain
none

If a thrombus dislodges and becomes free floating,it is called an____.
thrombus
embolus
cholestrol
none

Plaques can form blood clots called____.
thrombus 
embolus
cholestrol
none

Atherosclerosis is commonly referred as____ of arteries.
narrowing 
broaden
ruptue
none

Atherosclerosis and arteriosclerosis are the diseases of______.
Arteries
Capillaries
Veins
none

Right and left common iliac veins join to form_____.
inferior vena cava
Superior vena cava
same
none