Circulatory System Azami PHD.

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Presentation transcript:

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

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.

Median cubital

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.