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The Heart Dissection. The Heart. Pocket Valve. Right Atrium. Left Atrium. Atrio-Ventricular Valve. Left Ventricle. Tendons. Right Ventricle. Septum. Aorta. Pulmonary Artery. Stick two fingers into Aorta and Pulmonary Artery. Septum. Find Aorta and Pulmonary Artery.
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The Heart Pocket Valve Right Atrium Left Atrium Atrio-Ventricular Valve Left Ventricle Tendons Right Ventricle Septum Aorta Pulmonary Artery
Stick two fingers into Aorta and Pulmonary Artery Septum Find Aorta and Pulmonary Artery Feel for Septum between fingers
Step 2: Change angle of scalpel blade, and cut down chambers on one side of heart. Step 3: Change angle of scalpel blade again, and cut down into chambers on other side of heart, freeing septum Step 1: CAREFULLY cut down into septum (About 5mm) Step 4: Open up heart Cross section of Heart CAUTION! Scalpels are designed for cutting flesh – be VERY careful with them. Chamber of Heart Septum
…if you feel queasy, go outside and take a few deep breaths. • Find the following: • Valves • Tendons • Identify the following: • Pulmonary artery • Pulmonary vein • Aorta • Vena cava • You can try pushing a finger through these vessels to follow the course of the blood through the heart How can you distinguish the left ventricle from the right ventricle? Make a LABELLED drawing of what you observe And remember…