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 Dissection
Stick two fingers into Aorta and Pulmonary Artery
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
…if you feel queasy, go outside and take a few deep breaths.
How can you distinguish the left ventricle from the right ventricle?
Make a LABELLED drawing of what you observe