Draw the diagram of human heart?
And explain it
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Explanation:
The right atrium receives blood into the heart. In diagrams like the one below, this is the one on the top left of the image. This blood is deoxygenated as it has supplied it's oxygen to where it is needed by our tissues and organs. It enters the right atrium of the heart via two large veins, the superior and inferior vena cava.
From the right atrium, the blood travels down into the right ventricle through the tricuspid valve. Valves in the heart prevent blood from flowing backwards.
From the right ventricle, the blood is pumped upwards to the lungs through the pulmonary arteries, passing through the pulmonary valve.
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