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1) The circulatory system is responsible for which of the functions All the Above 2) The heart is contained in the cavity. A. Correct! Pericardial B. Pleural C. Septal D. Rectoperineal 1) Which layer of heart anchors it to the diaphragm? D. Correct! Pericardium 3) Which layer is composed of the contractile cardiac muscle? -Myocardium 4) What is the purpose of the mitral valve? The mitral valve controls the flow of blood from the left atrium into the left ventricle. 4) What is the purpose of the fossa ovalis in a fetus? - Marks the place of an opening between the atria which is present in all developing fetusus. Allows fetal vlood to move from right to left atrium bypassing undeveloped lungs. Fossa closes during birth so lungs can receive oxygen once baby is born 5) Label the figure below (A-E): A: B: C: D: (In blue) E: A: Superior Vena Cava B: Right Atrium C: Tricuspid/Right AV valve D: Left ventricle E. Pulmonary Valve
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