Readings for lecture 12 on Wed: read schoolbook edition chapter 3b(i) pp. 202- 215 The cardiovascular and lymphatic system CARDIOVASCULAR carcass * Heart- muscular pump * melodic line vessels-conducts smear flow * Blood- carries all important(p) between booths FUNCTIONS OF BLOOD * White livestock cells protect us from diseases causing organisms and excessive personal credit lineline loss. Functions of pedigree: * Blood has buffers which put the acid base levels of body fluids * Regulates body temp by absorbing heat, which is produced in metabolically active regions, and distributing it to cool regions in the body and to skin where it dissipates. COMPOSITION OF BLOOD * Deoxygenated root returns to pulmonary place (RS) of heart through with(predicate) pulmonary arteries. * O2 moves into the descent and CO2 leaves the parentage * Oxygenated blood returns to the systematic side (LS) through pulmonary vei n. * O2 moves out of the blood and CO2 moves into the blood plasma: * 55% of blood is plasma. * It transport material in the blood to the cells * These materials (such as nutrients: amino acids, simple sugars etc.
) ar variegate state in the plasma and then transported * Most fade away substances in the blood are plasma proteins which makes up 7% to 8% of the plasma * Also carries away cellular fumble organise elements: * Are substances transported by plasma * Theses substances are: platelets, etiolated blood cells and carmine blood cells Platelet * cell dis solve essential to blood clotting. * F! ragment of megakaryocyte (small purple stained granules in the cytoplasm White blood cells Granulocytes * Neutrophils- consumes bacteria by phagocytosis * Eosinophils-consume antibody-antigen tangled by phagocytosis, attack epenthetic worms * Basophils-release histamines which attacks wbs to site of firing Angranulocytes * Monocytes-gives rise to macrophages, which consumes bacteria, dead cell and cell parts by phagocytosis *...If you want to get a panoptic essay, order it on our website:
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