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B7: The Heart
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B7: The Heart
Right Atrium
- Receives deoxygenated blood from the body (through the vena cava).
Right Ventricle
- Pumps the deoxygenated blood to the lungs (via the pulmonary artery).
Left Atrium
- Receives oxygenated blood from the lungs (through the pulmonary vein).
Left Ventricle
- Pumps the oxygenated blood around the body (via the aorta)
- 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.
Valves
- Prevent backflow of blood - veins also have valves for this reason
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- GCSE: OCR 21st Century Science - Biology
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- FCox143
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