Cardiac Cycle (AS Biology)

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  • Created on: 15-11-11 19:30
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Oxygenated blood gets to the left atrium via the pulmonary vein
The left atrium contracts (atrial systole)
Blood goes through the bicuspid valve
The left ventricle fills with blood
Left ventricle contracts (ventricular systole)
Blood goes through semi lunar valve
Blood enters aorta
Blood travels to organs to exchange gases and nutrients
Blood goes to the right atrium via the vena cava
The right atrium contracts
Blood gets pushed through tricuspid valve
Right ventricle fills
Right ventricle contracts
Blood goes through pulmonary artery

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Blood goes back to the lungs to become oxygenated again…read more


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