The Heart

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Deoxygenated blood

• Enters through the vena cava into the right atrium
• It’s then pumped through a valve into the right ventricle chamber
• And then up through the pulmonary valve into the pulmonary artery towards the lungs

Oxygenated blood

• Enters through the pulmonary veins into the left atrium
• It’s then pumped through a valve into the left ventricle
• And then through the aortic valve and out of the aorta to the rest of the body

This video explains how the heart works