Blood - cells that differentiate to produce these cells are...

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Bi Sci 001 Monday April 5, 1999 Announcements: Test this friday Lecture notes: Blood There are about 5 quarts of blood in a 150 lb. Man. Blood is a transport fluid: 1. it carries raw materials to cells. 2. It carries products and wastes from cells. 3. It helps maintain an internal environment favorable for optimum cellular activity. Blood is divided into 2 portions: cellular and plasma. Plasma portion contains : Function Water solvent Plasma proteins immunity, blood clotting, maintenance of blood volume, liquid transport. Other solutes ions, hormones, micronutrienst, dissolved gasses. Cellular portion is 40-50% of the volume of blood. The original source of all blood and lymphoid cells is the bone marrow. The
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Unformatted text preview: cells that differentiate to produce these cells are called hemopoietic stem cells. Cell Source Function Erythrocyte (red blood cell) Erythroid Stem Cell Carry O 2 to cells no nucleus lives 120 days Platelets (cell fragments) Megakaryocytes Blood clotting Leukocytes (white blood cells) Stem Cells Immune response Leukocytes Subtypes Stem Cell Subtypes Function Monocytes Mononuclear phagocyte phagocytosis Lymphocytes Lymphocyte Immune response Eosinophils Myeloid Inflammation Neutrophils Myeloid Phagocytosis Basophils myeloid Histamine release...
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