B7: The Heart

FCox143
Mind Map by FCox143, updated more than 1 year ago
FCox143
Created by FCox143 almost 6 years ago
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GCSE: OCR 21st Century Science - Biology

Resource summary

B7: The Heart
1 Right Atrium
1.1 Receives deoxygenated blood from the body (through the vena cava).
2 Right Ventricle
2.1 Pumps the deoxygenated blood to the lungs (via the pulmonary artery).
3 Left Atrium
3.1 Receives oxygenated blood from the lungs (through the pulmonary vein).
4 Left Ventricle
4.1 Pumps the oxygenated blood around the body (via the aorta)
4.2 The wall of the left ventricle is thicker than that on the right, as it has to pump blood all the way around the body, as oppose to just the lungs.
5 Valves
5.1 Prevent backflow of blood - veins also have valves for this reason
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