What is the fluid-filled sac that surrounds the heart. The fluid contained within this sac prevents friction between the heart muscle and surrounding tissues.

CARDIOVASCULAR PHYSIOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	pericardium
B	myocardium
C	endocardium
D	parietal pleura

Explanation:

Detailed explanation-1: -Your pericardium is a fluid-filled sac that surrounds your heart and the roots of the major blood vessels that extend from your heart.

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