3 years ago

Friction between membranes of the heart is reduced by:

Medicine

1 answer:

jasenka [17]3 years ago

3 0

Answer:

The correct option is : a. serous fluid in the pericardial cavity

Explanation:

The heart is enclosed in a sac containing the heart, known as the pericardium. The pericardium has two layers- fibrous and serous layer.

The serous layer of the pericardium produces and secretes the pericardial fluid into the pericardial cavity.

The pericardial fluid is a lubricating serous fluid present in the pericardial cavity. It reduces the friction caused between the pericardial membranes by lubricating the epicardial surface.

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