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Human Anatomy and Physiology

A description of rare and normal blood types.

Our blood is made up of plasma (water, nutrients, gases, wastes, hormones and proteins), white blood cells (leukocytes) for immunity, platlets (cell fragments to form blood clots when we are cut) and red blood cells (erythrocytes). Red blood cells make our blood red because they contain hemoglobin which exchange gases like oxyg