Transcript Circulatory System - Kashan University of Medical Sciences

Circulatory System
Azami PHD
Heart
3 layers: epicardium, myocardium and
endocardium
External Heart: Anterior View
Figure 17.4b
External Heart: Posterior View
Figure 17.4d
Pathway of Blood through the
Heart and Lungs
Figure 17.5
Relative thickness of muscular walls?
Figure 17.7a
“EKG”
(or ECG, electrocardiogram)
• Electrical
depolarization is
recorded on the body
surface
P wave=atrial depolarization
QRS=ventricular depolarization
T wave=ventricular repolarization
Arteries
Greek karoo, to put to sleep
radial & ulnar a.
Venous system
Superficial veins of hand
Median cubital
Head and Neck
Latin jugulum = neck