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20 February, 00:18

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.

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  1. 20 February, 01:25
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    b) contains a lubricating fluid called serous fluid.

    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.
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