1. Anatomy of the Heart Salt Lake Community College
Human Anatomy Laboratory

2. Objectives Review blood histology Review cardiac muscle histology
Identify layers of the heart wall
Review the location of the heart within the thoracic cavity
Identify structures in gross anatomy of the heart
Identify vessels involved in coronary circulation

3. Organization of the Cardiovascular System
Figure 20–1

4. Cardiac Muscle Histology

5. Blood Cells

6. Heart Located directly behind sternum
Between 2 pleural cavities in the mediastinum
Figure 20–2a

7. HEART
The real thing in ventral view.
Lungs have been removed.

8. Pericardium

9. Heart Wall

10. Specific Heart Anatomy
Anterior View

11. External Anatomy

12. Coronary Circulation
Figure 18.7a

13. Figure 20–6a

14. Walls of the ventricles:
Left wall is thicker!

15. Heart Valves Atrioventricular Semilunar
Tricuspid
Bicuspid or mitral
Semilunar
Aortic
Pulmonary
Prevent blood from flowing back

16. Heart Valves