A&P ch13 blood
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| How many liters of blood is in the body? | 5 liters
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| what are the 3 blood components? | plasma, formed elements, hematocrit
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| what is the key plasma protein? | albumin
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| Plasma | makes up 55 percent of blood and is made up mostly of water
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| what helps equalize fluid volume? | albumin
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| erythrocytes? | red blood cells that carry oxygen and are the heaviest in the blood
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| leukocytes? | white blood cells
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| what do platelets do? | create blood clotting
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| what is the resistance of a fluid to flow | viscosity
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| Hematocrit | percent of red blood cells in a sample
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| what does low hematocrit mean | anemia/ person is anemic.
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| hematopoiesis or hemopoieses | formation of blood cells
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| produces all types of blood cells and is found in long bones and some flat bones. | red bone marrow
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| what is a lymphocyte | a type of white blood cell
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| what is produced by lymphatic tissue? | lymphocytes
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| lacks a nucleus, no DNA, no replication | red blood cells
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| what do red blood cells do | deliver o2 to cells, remove carbon dioxide, movement
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| HEME | bound to each globin
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| what is the iron containing molecule of hemoglobin | heme
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| 4 ribbon like protein chains | globin
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| circulates for 120 days | red blood cells
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| what is the lifecycle of a red blood cell? | oxygen level drops, kidneys secrete EPO, bone marrow creates erythrocytes, reticulocytes are released, they mature into RBCs, o2 levels go up, EPO and RBC production goes down.
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| what is EPO and what does it do | erythropoietin stimulates red blood marrow
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| reticulocytes | immature red blood cell
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| where are amino acids and basic chemicals stored | globin
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| where are iron and bilirubin stored | heme
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| where is iron sent to? | bones
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| what does bilirubin pertain to | liver
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| what is taken and secreted in urine and feces | bilirubin
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| liver and spleen have to function for? | rbc breakdown
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| hemolysis | breakdown of rbc's
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| leukocytes | wbc's
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| what is a role of white blood cells | protect the body against pathogens
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| what are the 5 types of white blood cells? | Neutrophils, lymphocytes, monocytes, eosinophils, basophils
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| % of blood that contains neutrophils | 60%
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| % of blood that contains lisophils | 30%
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| % of blood that contains monocytes | 8%
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| % of blood that contains eosinophils | 3%
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| % of blood that contains basophils | 0-1%
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| polycythemia | too many blood cells in circulation; blood is too thick
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| what are the types of granulocytes | neurtophils, eosinophils, and basophils
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| what has a granulated appearance? | granulocytes
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| what the types of agranulocytes | lymphocytes and monocytes
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| what has a smooth appearance | agranulocytes
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| cell that travels to infection; phagocyte | neutrophils
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| cbc | complete blood count
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| cell that is apart of long term immunity | lymphocytes
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| cell that is biggest wbc that can take up large particles | monocytes
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| cells that work with allergic reaction in respiratory tract and stomach/digestive tract. | eosinphils
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| cells that secrete the anticoagulant heparin | basophils
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| how long do platelets live | 1 week
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| formation of blood clots | hemostasis
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| stationary blood clot | thrombus
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| moving blood clot | embolus
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| coagulation | clotting of the blood
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| two steps for dissolution of blood clots | platelets contract to bring edges together to heal, and fibrinolysis
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| fibrin | net that holds platelets in place
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| fibrinolysis | breakdown of the meshwork and the clot
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| factors that discourage blood clots | smooth endothelium (prevents clots from sticking), blood flow (blood need to be moving), anticoagulants.
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| erythroblastosis fetalis | where mom has a different RH factor and develops antibodies of babies blood
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| factor also means | antigen
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| antigen | blood type
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| antibodies | circulate outside.
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| universal blood recipient | AB+
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| universal blood donor | O-
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