The serous fluid within the pericardial cavity works to lubricate the membranes of the serous pericardium.
<h3>The pericardial cavity</h3>
The pericardial cavity is a space that is enclosed by the two layers of serous pericardium around the heart.
The pericardium is a thin, two-layered, fluid-filled sac that covers the outer surface of the heart. it is divided into 2 namely:
The serous fluid which is also called pericardial fluid helps to decrease friction between the pericardial layers. This is because, they lubricate the membranes of the serous pericardium.
Learn more about the heart here:
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