KIN 2500 : Test 4 Notes
15 Mar 2019
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Protective: maintains normal ph of tissues, maintains circulatory volume. If you go give blood, your circulatory volume will be back to normal very quickly: prevents blood loss, combats infection. Volume= 4-5 l for women, 5-6 l for men. Slide 3- good overview of components of blood. Lymphocytes: helper t, cytotoxic t (directly kills antigens in the body, suppressor t (controls other t cells) Pluripotent stem cell (result of a differentiated mesenchymal cell) Will differentiate into: myeloid stem, lymphoid stem. Multipotent- differentiate into a number of other blood cells, also replenish. Progenitor level (blue blocks) - can only differentiate, cannot replenish. 2nd stage- formation of specialized proteins called hemoglobin (becomes the dominant component of the adult rbc) Hemoglobin carries the oxygen throughout the body. 4 iron atoms on the hemoglobin molecules, and each carries one oxygen. Hemoglobin remains along with a very small fragment of er.
