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Deoxygenated blood from body tissue
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Superior Vena Cava
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Right Atrium
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Right Atrium
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Tricuspid Valve
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Right Ventricle
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Pulmonary Valve
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Pulmonary Artery
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Both Lungs
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Co2 and O2 exchange in the capillaries networks of the alveoli.
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Returns to the heart through Pulmonary Veins
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Left atrium
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Mittral valve
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Left Ventricle
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Aortic Valve
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Aorta
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Transporting oxgenated blood to body cells