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Cardiac

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juniperk's version from 2016-02-04 21:56

Section

Question Answer
Heart is covered by 2 layersSerous pericardium and fibrous pericardium
Serous pericardium is divided into 2 layersVisceral pericardium (inner layer) and Parietal pericardium (outer layer)
Why is the arrangement of the cardiac tissue advantageous?Intercalated discs allow muscle fibers to contract without pulling apart, and they allow ions to pass from cell to cell which allows the myocardium to behave as a single unit.
What is the difference between the pulmonary and systemic circuits?Pulmonary moves blood from the heart to the lungs to the heart. Systemic moves blood from the heart to the body to the heart.
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