Health Essentials 1, 2 Ms. Quintana VIDEOS http://www.youtube.com/watch?v=mNjATiS7d30 http://www.youtube.com/watch?v=TdRBVsccPE4 http://www.youtube.com/watch?v=F5a0DruZpjY (gulp) But sheep have nice hearts… Supplies you will use: Dissection Tray & Pig Heart 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. Rt. Atrium Rt. Lf. Atrium Lf. Width of right ventricular wall Rt. Ventricle Width of left ventricular wall Lf. Ventricle Tricuspid valve Cusp of valve Papillary muscles Chordae tendinae Mitral valve Chordae tendinae 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.