Summary: Blood-Chapter 17
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1 Blood-Chapter 17
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why is blood transportation important?
it carries O2 and CO2 to and from cells, takes endocrine hormones to target tissues and takes nutrients to and from cells -
why is regulations of blood important?
it stabilizes, temperature, pH buffering and fluid volume -
why is defense in blood important?
helps fight infection, adaptive and innate immune response -
structure of a RBC?
bi-concave, no nucleus/organelles -
what are WBC's responsible for?
defense against infection -
what is the function of B cells
humoral immune response, differentiate in plasma cells to produce antibodies -
what is the function of T cells?
cellular immune response, arise in bone marrow, migrate to lymph tissue, mature in thymus, differentiate into
-cytotoxic t-cells
-helper t-cells
-regulatory t-cells -
paracrine factors of anticoagulants
endothelial cells generate prostacyclin, promoting vasodilation which inhibits activation/clotting -
anticoagulant factors of anticoagulants
tissue factor pathway inhibitor(TFPI) blocks extrinsic pathway at complex -
factors that affect viscosity
-fibrinogen concentration
-hematocrit levels
-vessel radius
-linear velocity
-temperature
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