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Chapter 9 - Coggle Diagram
Chapter 9
definitions: :
Circulatory system: A system of network of blood vessles which carry waste, toxic and excess of substances away from cells and provide nutrients and oxygen for metabolic growth in cells of an organism
Single circulatory system: A system in which the blood passes through heart only once in a complete circulation
Double circulatory system : system in which blood passes through the heart twice in a complete circulation
CHD: A disease in which Coronary artery is blocked due to thrombus formation which causes strokes and heart attack
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capillary: A small blood vessel which is usually one cell thick and is permeable allowing diffusing of substances across the blood and the cells
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Lymphocytes: Are white blood cells / Immunity cells that help in locating and eliminate the phatogen.
Platelets are fragments of cells that help in blood clotting and trigger many reactions such as conversion of fibrinogen to fibrin
Phagocytes: specialised immunity cells that conduct phagocytosis and help in elimination of phatogens.
Fibrinogen: A substance found in blood stream that helps in blood clotting by converting itself into a mesh like structure preventing blood escaping and pathogens entry .
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plasma: A watery fluid that contains the substances such as hormones, fibrinogen,nutrients,etc. it helps the blood to flow.
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