BIOSC-139 Lecture Notes - Lecture 21: Circulatory System, Horse Length, Antibody
27 Oct 2020
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Gases (co2 and o2) * main function. The cardiovascular system is basically: a series of tubes (the blood vessels) filled with fluid (the blood) connected to a pump (the heart). Body temperature (constriction/ dilation of surface vessels) Intracellular fluid volume (dissolved ions and proteins) 5 - 6 l in adult male, 4 - 5 l in adult female. Globulins (immunoglobulins, antibodies): bind to foreign antigens, form antigen- antibody complexes. Prothrombin and fibrinogen (produced by the liver and flow in blood until they need to clot blood): clotting factors. Come in 3 varieties: erythrocytes, thrombocytes and leukocytes. Hematocrit (pcv): hematocrit is the amount of total blood volume occupied by cells. Blood cell formation (hematopoiesis, hemopoiesis) is a continuous process. Most blood cells live only hours, days or weeks. In the embryo yolk sac, liver, spleen, thymus, lymph nodes, red bone marrow.
