Describe the structure of heart
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The heart is divided into four chambers consisting of two atria and two ventricles; the atria receive blood, while the ventricles pump blood. The right atrium receives blood from the superior and inferior vena cavas and the coronary sinus; blood then moves to the right ventricle where it is pumped to the lungs.where is the heart receives oxygen rich blood in left auricle from the lungs and it is pushed into the left ventricle the left ventricle contracts to push oxygen-rich blood to aorta . Aorta pumps oxygen rich blood to all body parts.
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