Life span of red blood cells is _____ days.

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

In which part of our body are formed Red Blood Cells?

The main function of white blood cells is –

In which part of our body are Red Blood Cells (RBCs) formed?

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?