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Seite 1
Blood vessles Arteries Capillaries Veins Thick muscular walls Carry oxygenated blood High blood pressure One cell thick allows for diffusion Gases Dissolved food lows blood pressure Have valves Carry deoxygenated blood
Heart Heart- lungs- heart-body-heart beats around 70 time a minute Coronary heart disease causes coronary arteries become narrow or blocked obesity high blood cholesterol high fat diet
Blood Plasma Red blood cells Platelets White blood cells transports dissolved food molecules Urea Carbon dioxide Biconcave Contains haemoglobin Transports oxygen cell fragments Helps clot blood Deffend body against attack by microbes Lymphocytes Phagocytes produce antibodies memory lymphocytes immunity to specific disease engluf and digest microorganisms
Blood and circulation
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