A 23-year-old man is stabbed in a bar fight. The blade of the knife enters his chest in the left 5th intercostal space, just lat- eral to the sternum, and pierces to a depth of approximately 4 cm. What structure is most likely damaged? (A) Left lung (B) Pulmonary trunk (C) Left bronchus (D) Stomach (E) Pericardium

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Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.