Cardiac output is determined by.

Consider the following four statements regarding the human circulatory system:
$(a)$ Arteries have thick walls and have a smaller lumen compared to veins.
$(b)$ Angina is a sudden chest pain.
$(c)$ In the $ABO$ blood grouping system,a person with $AB$ blood group can donate blood to anyone.
$(d)$ Calcium ions play an important role in blood clotting.
Which two of the above statements are correct?

The state of equilibrium in the body with respect to various functions and to the chemical composition of fluids and tissues is called

Compare the statements $A$ and $B$.
$Statement A$: Blood sugar level falls rapidly after hepatectomy.
$Statement B$: The glycogen of the liver is the principle source of blood sugar.
Select the correct description:

Which organ in an adult human causes the least damage if removed?

Match column $I$ with column $II$:

Column $I$	Column $II$
$(a)$ Eosinophils	$(i)$ Coagulation
$(b)$ $RBC$	$(ii)$ Universal Recipient
$(c)$ $AB$ Group	$(iii)$ Resist Infections
$(d)$ Platelets	$(iv)$ Contraction of Heart
$(e)$ Systole	$(v)$ Gas transport