Health Essentials 1, 2 Ms. Quintana

VIDEOS

(gulp) But sheep have nice hearts…

Supplies you will use:

Dissection Tray & Pig Heart Don’t forget your gloves!

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. Lf. common carotid

Aorta: Posterior View Aorta Lf. Rt.

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

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

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

Rt. Pul. vein Lf. Pul. vein

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

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

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

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

Chordae tendinae Tricuspid valve Cusp of valve Papillary muscles Septum

Mitral valve Septum

cusp

Chordae tendinae

Final Check point Students should be able to trace pathway of blood through great vessels and heart. 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.