Intracellular fluid and extracellular fluid constitute what percentage of total body weight,respectively?

Which of the following cardiac effects can be observed if the potassium concentration is increased two to three times the normal value?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Lymphocytes	$(I)$ Responsible for the immune responses of the body
$(b)$ Monocytes	$(II)$ Are the agranulocytes
$(c)$ Neutrophils	$(III)$ Most abundant cells of the total WBCs
$(d)$ Basophils	$(IV)$ Inflammatory reactions

If cardiac output is $4200 \text{ ml/min}$,then $x$ beats/min is the heart rate and $y$ is the term for pulse rate.

Which of the following vertebrate organs receives only oxygenated blood?

Which of the following statements are wrong?
$(i)$ Leucocytes disintegrate in the spleen and liver.
$(ii)$ $RBC$,$WBC$ and blood platelets are produced by bone marrow.
$(iii)$ Neutrophils bring about destruction and detoxification of toxins of protein origin.
$(iv)$ The important function of lymphocytes is to produce antibodies.