What is a heart murmur and what might it indicate? State the effect of the sympathetic and parasympathetic nervous system on the heart. 

The Heart A = the outer serous membrane ____________ pericardium. B = the pericardial cavity C = the ___________ also known as the visceral pericardium. What is type of fluid is found in the pericardial cavity? What is the purpose of this fluid? Note Taking:  The Heart and Blood Vessels 13.1 Overview of the Cardiovascular […]

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