Fetal Pig And The Human Being 's Anatomy

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Hypothesis Due to the fact that the fetal pig and the human being’s anatomy are extremely similar, with the exception of a few minor parts, the fetal pig will be a precise tool in learning about the anatomy of a human.
Introduction
In courses such as biology, anatomy, and physiology, learning the anatomy of a human is imperative to learning about its functions and processes. Due to a lack of money, resources, and access, UConn cannot provide the use of a human cadaver for educational purposes. Since we lack actual human specimens, the next best thing is the fetal pig. The reasoning behind the choice of a fetal pig is because it is extremely similar to the anatomy of a human, with a few minor differences of course. A study at Cambridge
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(Lombard, Terry, & Malinoski, 2017)
Discussion
My hypothesis was correct in addressing how similar the fetal pig and human anatomy are, and how it helps to learn more about a human. One way in which the fetal pig is particularly similar to a human is its lungs. The fetal pig’s lungs are almost identical to that of a human. They exchange oxygen for CO2, are located in the same place, and are also multi-lobed. Another similarity is the pig’s pericardium. The pericardium is a clear membrane that surrounds the heart, it is composed of an outer fibrous layer and an inner double layer of serous membrane. Its main purpose is the give the heart protection against infection and bacteria, and it provides lubrication as well. Every human has their heart surrounded by this, and so does a fetal pig. When dissecting, the dissector must make a light incision and remove the pericardium so the heart can be accessed. Although there are many similarities between the fetal pig and a human, there are also differences. The first difference resides in the liver. A normal human liver has four lobes: right, left, caudate, and quadrate. While a normal pig liver has five lobes: right lateral, right central, left central, left lateral, and caudate. Another main difference is that a fetal pig’s colon is a spiral shape. A human’s colon is shaped in a sigmoidal pattern instead (“Human/Pig Comparisons”, 2004, September, goshen.edu).

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