Question

The pericardial cavity: Group of answer choices a) is the region of the thoracic cavity that contains the heart. b) contains a lubricating fluid called serous fluid. c) is another name for the chambers of the heart. d) is a space between the fibrous pericardium and the serous pericardium.

Answer 1

b) contains a lubricating fluid called serous fluid.

Step-by-step explanation:

The pericardial cavity is a space formed by two serous layers of the most external wall of the heart the pericardium. This space contains a fluid called serous fluid which allows the movement of the heart when this contracts and expands with every heart beat.