The total volume of blood in a normal adult human being is

What is the pH level of blood of a normal person?

If the red blood cells (RBCs) of human blood are isolated and are diluted in normal saline (an isotonic solution to blood), what will happen to the RBCs?

With reference to the blood in a normal person, which one of the following statements is correct?

The blood pressure (systolic and diastolic) of a healthy man is (in Hg) –

The blood group of universal donor is –