Question

bio - 201l topic 1: anatomy & physiology, cell biology & homeostasis
practice it
identify the pericardial.

Explanation:

The pericardial is the double - walled sac that surrounds the heart. It consists of a fibrous outer layer and a serous inner layer. In anatomical diagrams, it is the structure enclosing the heart.

Answer:

The structure enclosing the heart in the diagram.