1. Circulatory System
Azami PHD

3. Heart
3 layers: epicardium, myocardium and endocardium

6. External Heart: Anterior View
Figure 17.4b

9. External Heart: Posterior View
Figure 17.4d

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

13. Relative thickness of muscular walls?

14. Figure 17.7a

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

18. Arteries

19. Greek karoo, to put to sleep

33. radial & ulnar a.

41. Venous system

47. Superficial veins of hand

48. basilic: adjective, Greek basilikos = royal (king-sized) cephalic: adjective, Greek kephale = head.
external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.

49. Median cubital

50. Head and Neck Latin jugulum = neck
external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.