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15 Cards in this Set
- Front
- Back
components and major functions of cardiovascular system
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blood
heart blood vessels |
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list and describe the characterisitics of blood
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temp:100.4 F
pH: 7.4 8% total body mass 5-6 liters male 4-6 liters female liquid connective tissue transports substances protects against disease hormonal negative feedback systems maintain constant blood volume and osmotic pressure |
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erythropoietin
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a hormone that stimulates production of RBCs and hemoglobin in the bone marrow, synthesized in response to low levels of oxygen in the tissue
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reticulocytes
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an immature red blood cell
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hemoglobin
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a substance in RBCs consiting of the protein globin and the iron containing red pigment heme that transports most of the oxygen and some carbon dioxide in blood
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bilirubin
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an orange pigment that is one of the end products of hemoglobin breakdown in the hepatocytes and is excreted as a waste material in bile
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transferrin
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a transporter for Fe3+ in the blood stream
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granulocytes
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any various WBCs that contain granular material in the cytoplasm and are immunologically active, especially in phagocytosis
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agranulocytes
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a nongranular WBC
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differential count
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a count of each of the five types of WBCs to detect infection or inflammation, poisoning from drugs, monitor blood disorders, effects of chemotherapy or detect allergic reactions
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emigration
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process whereby WBCs leave the blood stream by rolling along the endothelium, sticking to it, and squeezing between the endothelial cells
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megakaryocytes
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a large bone marrow cell with a lobulate nucleus that gives rise to blood platelets
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descrbe the process of hemopoiesis
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blood cell production, which occurs in red bone marrow after birth
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hemopoietic stem cells
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a cell isolated from the blood or bone marrow that can renew itself, can differentiate to a variety of specialized cells, can metabolize out of the bone marrow into circulating blood
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describe components and characteristics of blood plasma
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when the formed elements are removed from blood, the straw-colored liquid is left
91.5% water, 8.5% solutes |