To learn more about these important systems see The Lymphatic System and The Immune System . Blood is composed of several different types of cells and proteins. Red blood cells give blood its color and are responsible for the transportation of both oxygen and carbon dioxide to and from the body's tissues . Another constituent of blood is the infection-fighting white blood cells . A third cell type, the platelets, circulate in the blood.
Platelets are responsible for clotting.
White blood cells, red blood cells and platelets are all formed within the bone marrow. In addition to cells, the blood is made up of a protein-rich liquid portion called plasma. Common disorders of the blood, immune and lymphatic systems in in dogs are listed below. Inc. All rights reserved.