Fetal Pig Lab Report

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Pages: 3

The main objective and reasoning of dissecting the fetal pig was to identify and then examine the different organs and structures of which compose the respiratory, cardiovascular, urinary and digestive systems within the pig. This process will in turn would lead to a better fundamental understanding of these systems in our studies of human anatomy, as pigs are mammals and have nearly identical anatomical composition of these four systems we explored when compared to human beings.

According to the Medical Dictionary the thoracic cavity, or chest cavity, is “ the division of the body cavity that lies above the diaphragm, is bounded peripherally by the wall of the chest, and contains the heart and lungs.” The dissection of the female fetal pig, “Ms. Pork chop”, began with an incision in the thoracic cavity; after placing our fetal pig on the dissection pan and tying each limb with a piece of twine, we made an incision on the ventral side of the pig that allowed us to open the chest cavity.
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After making all necessary observations on the upper respiratory system, and beginning to take a look at the lungs, we concluded the first dissection session.
The second dissection session on the thoracic cavity involving the respiratory system began with our group observing the lungs and the surrounding structures pertaining to the respiratory system. We then carefully removed the lungs from the pig’s thoracic cavity to maintain the structural integrity of the lungs to the best of our ability. Upon successfully removing the lungs, we identified the different structures of the lungs as shown in “Figure 3”