circulatory system 0.0 / 5 ? BiologyCirculationGCSEEdexcel Created by: [email protected]Created on: 05-12-18 12:59 Where does the blood go when it leaves? To the lungs. 1 of 6 why does the left ventricle have thick muscle in it? It needs thick muscle so the presure is high enough to push the blood around the body as it needs to travel to all of the body. 2 of 6 What is the purpose of a valve? To prevent backflow of blood. 3 of 6 Which side of the heart carries deoxigenated blood? Right. 4 of 6 What is the purpose of veins? To carry deoxygenated blood to the heart. 5 of 6 What are Capillaries used for Gas exchange. 6 of 6
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