B3 2.1 The circulatory system and the heart 4.5 / 5 based on 2 ratings ? BiologyCirculationGCSEAQA Created by: Maisy GeddesCreated on: 28-04-13 19:40 what does the human circulatory system constist of? blood, blood vessles and the heart 1 of 11 what does the right pump of the heart do? pumps deoxygenated blood to the lungs where it picks up oxygen and loses carbon dioxide 2 of 11 what does the left pump of the heart do? pumps oxygenated blood to the rest of the body. 3 of 11 what are the upper chambers of the heart called? the atria 4 of 11 where does the left atrium recieve blood from? pulmonary vein 5 of 11 where does the right atrium receive blood from? the vena cava 6 of 11 when the atria contract what happens? blood is forced into the lower chambers of the heart (ventricles) 7 of 11 what happens when the left ventricle contracts? blood is forced into the aorta 8 of 11 what happens when the right ventricle contracts? blood is forced into the pulmonary artery 9 of 11 what do heart valves do? prevent the backflow of blood 10 of 11 what is the sequence of blood flowing through the heart? veins > atria > ventricles > arteries 11 of 11
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