The heart sits between the lungs in the thoracic space known as the:
- Mediastinum
- Metatarsal
- Metacarpal
- Mesentery
Show answer and solution
Correct answer: A. Mediastinum
1. The space lies medially, between the two lungs.
2. It holds the heart and the great vessels.
3. That space is the mediastinum.
_Source: OpenStax Anatomy and Physiology 2e, Chapter 19, The Cardiovascular System: The Heart._