Amount of O₂ normally carried by 100 ml of pure human blood, is

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

What is the normal resting blood pressure of a healthy adult human body?

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

What is the main function of Red Blood Cells (RBC) in human blood?

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