ANATOMY

Detailed explanation-1: -Also known as erythrocytes, RBCs are the most common type of cell found in the blood, with each cubic millimeter of blood containing 4-6 million cells.

Detailed explanation-2: -Red Blood Cells (also called erythrocytes or RBCs) Known for their bright red color, red cells are the most abundant cell in the blood, accounting for about 40 to 45 percent of its volume.

Detailed explanation-3: -Also called erythrocyte and RBC. Blood cells. Blood contains many types of cells: white blood cells (monocytes, lymphocytes, neutrophils, eosinophils, basophils, and macrophages), red blood cells (erythrocytes), and platelets. Blood circulates through the body in the arteries and veins.

Detailed explanation-4: -Type O is routinely in short supply and in high demand by hospitals – both because it is the most common blood type and because type O negative blood is the universal blood type needed for emergency transfusions and for immune deficient infants.