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A component of blood that includes both red and white blood cells each of which play a different role in the body.
Erythrocytes are red blood cells whose main role is to transport oxygen and carbon dioxide to and from body tissues.
Leukocytes are white blood cells that participate in the body’s defense system.
A component of blood that helps to transport various substances such as blood cells, platelets, iron and proteins.
A component of blood that assists in clotting.