The heart lies within the

Question

Quizplus · Accepted Answer

The mediastinum is the space between the two pleural cavities where the heart lies, along with other organs such as the lungs, trachea, and esophagus.

Answer: C 
 The heart is surrounded by the pericardial sac, a double-layered membrane that encloses the heart and the roots of the great vessels. The pericardial space is the potential space between the layers of the pericardial membrane.

Therefore, both options A and C are correct, but it depends on the specificity of the question.

The Heart Lies Within the