1. Thoracic Cavity & Viscera
A. Azami, Ph.D.

2. Body Cavities
Figure 1.9

7. Hemo-thorax

9. Pneumo-thorax
Lung: collapse

15. Medistinum
Figure 1.9

19. Fig. 59.12 Dissection to display the neonatal thymus.

24. Heart Covering Pericardial physiology Protects and anchors heart
Prevents overfilling
Figure 17.2

25. External Heart: Anterior View
Figure 17.4b

26. External Heart: Posterior View
Figure 17.4d

27. External Heart: Anterior View
Figure 17.4b

29. External Heart: Anterior View
Figure 17.4b

31. Heart Valves
Figure 17.9

34. Heart Valves
Figure 17.10

35. External Heart: Posterior View
Figure 17.4d

39. Pathway of Blood through the Heart and Lungs
Figure 17.5

40. Relative thickness of muscular walls

41. “EKG” (or ECG, electrocardiogram)
Electrical depolarization is recorded on the body surface
P wave=atrial depolarization
QRS=ventricular depolarization
T wave=ventricular repolarization

43. Cardiac muscle (microscopic)