Which component of whole blood is primarily responsible for maintaining the pH of blood and body tissues within normal limits?

Plasma.

Explanation:

Plasma is the liquid component or constituent of the blood after the removal of all the cells and platelets. It is composed of 90% water, coagulation factors like antibodies, electrolytes, proteins , lipids e.t.c which help to maintain the blood PH and osmotic balance of the blood during the process of giving viscosity to the blood. The plasma comprises of 55% of the blood.

b) the inside picture would look at a very high temperature in a very low ph