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  • Essay / Digestive System Essay - 824

    The digestive system, in organisms like mink and humans, is supposed to break down ingested food to convert it into energy. This energy helps other functions in the body which, in turn, keep it alive. The digestive system includes organs such as stomach, intestines, liver, etc. Digestion, however, begins in the mouth. By observing the digestive organs of the mink, an individual can see that the entire liver is the darkest color of the mink. organs of the gastrointestinal tract and the second largest, the intestines. It has five lobes which branch towards the middle, right and left and constitute the middle lobe, the right lateral lobe, the square lobe, the left middle lobe and the left lateral lobe. The stomach is what would come next when looking at the mink from top to bottom. It is smaller and compressed, because there is no food inside, so it looks about the size of half the liver. It looks like the letter J but is placed sideways on the body. Additionally, it has a soft, pale pink color. The pancreas can be seen under the stomach and it has a yellow color, much like the color of fat, and it is the size and shape of the stomach, although most of it is seen behind . The spleen, located on the left side of an organism, such as mink or human, is next to the pancreas and it looks more or less the same dark color as the liver. It is shaped like a circle and is smaller than the stomach. The rectum looks like a long thin noodle and is very light peach in color. In length it is larger than some other organs. The small intestine looks like a very long noodle and is mostly pink while being the longest of all the organs in the digestive system. The ...... middle of paper ....... Whereas in humans, it is much easier to visualize the difference inside or in the cutout. Additionally, the small intestine was approximately six times the length of the mink's body, although in humans the small intestine is three to four times longer than the body. One of the few differences between mink and human digestive organs is that the large intestine is much smaller in mink and does not wrap around the abdominal cavity like the large intestine of a human organism. Additionally, mink stomach size is necessary so that they can eat much larger prey and be able to store more energy. The pyloric sphincter, useful in preventing food from returning from the small intestine to the stomach, plays a more important role in the mink's digestive process than in humans. Mink and humans are similarly linked on an evolutionary chain.