Bioligy 1.4 circulation 0.0 / 5 ? BiologyCirculationGCSEWJEC Created by: Liam100109Created on: 04-04-24 13:46 What do platelets do clot the blood 1 of 20 What dissolved substances does plasma contain glucose amino acids CO2 urea hormones 2 of 20 what are the four chambers of the heart left and right ventricle left and right atrium 3 of 20 what muscle is the heart made of cardiac muscle 4 of 20 what is pulmonary circulation When blood is pumped from the heart to the lungs and back to the heart. 5 of 20 what is systemic circulation blood is pumped from the heart to the rest of the body and back to the heart. 6 of 20 What do the semi lunar valves do prevent backflow of blood from arteries when ventricles relax 7 of 20 what does the pulmonary artery do carries deoxygenated blood from the lungs to the heart 8 of 20 whjat does the pulmonary vein do carries oxygenated blood from the lungs to the heart 9 of 20 What is the aorta an artery carrying blood to the body 10 of 20 what is the vena cava a vein carrying blood from the body 11 of 20 what does the tricuspid do prevents backflow of blood in to the right atrium when the right ventrical relaxes 12 of 20 what does the bicuspid do prevents backflow of blood to the left atrium when the ventrical contracts 13 of 20 what are the four chambers of the heart right ventrical left ventrical right atrium left atrium 14 of 20 why do arteries have thick walls because they carry blood under pressure away from the heart 15 of 20 why do veins have thin walls They carry blood under low pressure back to the heart 16 of 20 what is cardiovascular disease All diseases of the heart such as strokes, angina and heart attacks 17 of 20 what are risk factors of cardiovascular disease high levels of fat a and salt in the diet high blood pressure high blood cholestorol smoking genes lack of exercise 18 of 20 What is atherodclerosis arteries become clogged with fatty substances called plaques or atheroma 19 of 20 what are the affects of atheroma makes blood flow more difficult possible causing blood clots, and if they become blocked, heart attacks or angina may happen. 20 of 20
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