gulp But sheep have nice hearts Supplies you

(gulp) But sheep have nice hearts…

Supplies you will use:

Dissection Tray & Pig Heart r u o y t e g r o f t ’ n o D ! s e v o l g

Base Apex

Let’s Get Started!!!

Anterior View

Anterior View--Aortic Arch Aorta Arising from the left ventricle of the heart is the largest artery of the body, the aorta. Rt. Lf.

Anterior View--Aortic Arch Brachiocephalic trunk (innominate artery) Rt. Lf. common carotid Lf.

Aorta: Posterior View Aorta Lf. Rt.

Posterior View--Vena Cavae Inferior Vena Cava Lf. Superior Vena Cava Rt.

Posterior View--Pulmonary Artery Lf. Pulmonary artery Lf. Rt.

Posterior View--Pulmonary Veins Rt. Lf. Pulmonary veins are inferior to pulmonary arteries.

Rt. Pul. vein Lf. Pul. vein

Dissect heart on the coronal plane This separates the anterior and posterior sections

Open heart on dissection tray. Anterior half Posterior half Rt. Lf.

Lf. Atrium Septum aorta Rt. Atrium Rt. Lf.

aorta Septum Width of right ventricular wall Rt. Ventricle Width of left ventricular wall Lf. Ventricle

Tricuspid valve Papillary muscles Sep tum Cusp of valve Chordae tendinae

tum Sep Mitral valve

Sep tum cusp

Chordae tendinae

Final Check point Students should be able to trace pathway of blood through great vessels and heart. (begin with vena cava and end with vena cava)

That’s All folks! …help clean up.