Pulmonary And Systemic Heart

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Homework # 1
1) The heart has four chambers, associated with the pulmonary and systemic circuit. It starts from the systemic circuit by receiving blood to the right atrium and passing it to the right ventricle and then pumps into the pulmonary circuit. Then it collects it at the left atrium and empties into the left ventricle which pumps blood back to the systemic circuit. Arties carry blood away from the heart and veins return blood to the heart.
The pericardial sac is also known as the fibrous pericardium, which surrounds the heart. It consists of a dense network of collagen fibers, stabilizes the position of the heart and connected to the vessels within the mediastinum. The pericardium has subdivided into two portions of the visceral pericardium
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