The heart is situated in the ____ surrounded by the pericardial sac.
A) peritoneum
B) mediastinum
C) pleura
D) myocardium

Question

The heart is situated in the ____ surrounded by the pericardial sac.​
A) ​peritoneum
B) ​mediastinum
C) ​pleura
D) ​myocardium

Quizplus · Accepted Answer

The heart is situated in the mediastinum, which is the space between the lungs and contains the heart, thymus gland, trachea, and esophagus. It is surrounded by the pericardial sac which is made up of a fibrous outer layer and a serous inner layer. The peritoneum and pleura are membranes that line the abdominal and thoracic cavities, respectively. The myocardium is the muscular tissue of the heart.

The Heart Is Situated in the ____ Surrounded by the Pericardial