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Human Bio Ch6-Blood

blood and the components

QuestionAnswer
What is blood comprised of? 55% Plasma, 45% formed elements
What are the formed elements of blood? Red Blood Cells, White Blood Cells, and Platelets.
Another term for Red Blood Cells. Erythrocytes
What is hemoglobin? a respiratory pigment that carries oxygen.
What is blood doping? artificially increasing the RBC level to increase your oxygen carrying.
What is anemia? a blood disorder where low levels of RBCs or hemoglobin causes fatigue.
What are the signs of Sickle Cell Anemia? Hereditary, malformed blood cells
What are the signs of Pernicious Anemia? Vitamin B12 Deficiency.
What is Polycythemia? Excess production of red blood cells
Another term for White Blood Cells. Leukocytes
What do White blood cells do? Protect against infection/invasion.
Name 3 types of granular leukocytes (WBCs) Neutrophils, Eosinophils, and Basophils
What are the defining properties of Neutrophils? They make up 50-70% of all WBC, they are polymorphonuclear large cells that kill invaders
What are the defining properties of Eosinophils? They take up an acidic red stain, and function in parasitic worm infections and in allergic reactions.
What are the defining properties of Basophils? They take a basic blue stain, and release histamine, which dilates blood vessels and constricts air tubes.
Created by: dellisari
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