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Blood Sys

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magovate's version from 2017-05-04 03:43

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Question Answer
Proteins that carry oxygenHemoglobin
Element which binds to oxygenIron
Another name for WBCsLeukocytes
The fluid component of bloodPlasma
Important for osmotic balance, pH balanceAlbumins
Dissolved precursor of fibrin, which will form blood clotsFibrinogen
AntibodiesGlobulins
92% water, 7% proteinPlasma
Another name for RBCsErythrocytes
Percentage of whole blood composed of RBCshematocrit
Continuously made and destroyed, 1/3 of all cellsRBCs
Major purpose - Oxygen transportRBCs
Created in bone marrow, activate in blood stream, circulate for a few days, then migrate into connective tissues and interstitial fluidWBCs
Thinning out to squeeze through epithelial slits, out of blood vesselsDiapedesis (WBCs)
Movement towards chemical stimulus (often from damage)Positive chemotaxis (WBCs)
Main phagocytic WBCNeutrophil
Releases histamineBasophil
Releases antihistamines, targets parasitic wormsEosinophil
Respond to specific stimuli, make antibodiesLymphocyte
Large phagocytic WBCMonocyte
Cell fragments pinched off a large cell called a megakaryocytePlatelets
Important for clotting processPlatelets
the stoppage of bleedingHemostasis
Three phases – 1 – Vascular phase – 2 – Platelet phase – 3 – Coagulation phaseHemostasis
Endothelial cells contract, exposing basement membrane to bloodVascular Phase
Local contraction of smooth muscle in blood vessel wall (vascular spasm)Vascular Phase
Platelets stick to exposed collagen, basement membrane, endothelium, and each otherPlatelet Phase
Platelets release chemicals to attract more platelets, cause vasoconstriction, and set off coagulationPlatelet Phase
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