Pig Digestive System Research Paper

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Tongue: The tongue is a large muscle found inside of the pigs mouth. It has a rough light colored surface that has taste buds and saliva on it. It function is to help the pig with swallowing its food by pushing it to the back of the pig’s mouth and down the esophagus. The tongue is a part of the digestive system because it aids in the digestion of food.

Saliva: The saliva is found all throughout the pigs digestive system but mainly in the mouth. It is a clear liquid that functions as a lubricant to allow food to pass from the mouth to the esophagus easier. This clear liquid is a crucial part of digestion, and it unofficially belongs to the digestive system.

Teeth: The teeth are a very important part of the digestive system that is found in
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It is found in the anterior end of the pig in between the nose and the larynx. The main function of the pharynx is to provide a passageway for the respiratory and digestive tracts.

Esophagus: The esophagus is in charge of bringing food down from the mouth and leading it to the stomach. It is located in the thoracic cavity underneath the trachea and appears much less firm than the trachea. The esophagus belongs to the digestive system.

Stomach: The stomach is located underneath the left side of the liver. It looks like a thin oval shaped balloon that is part of the digestive system. The stomachs function is to store food and its nutrients until it can be broken down by
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Its main job it to act as a sponge and absorb any amino acids, sugars, and water-soluble vitamins and send the nutrients received to the blood stream. These nutrients are absorbed through the small hole-like structures called villi that act as the sponges and increase the surface area of the small intestine.

Ileum: The ileum is the 3rd and last part of the small intestine located at the very end. It belongs to the digestive system and is responsible for the absorption of the nutrients and water. It is much more coiled than the rest of the small intestine but is the same thickness and color.

Appendix: The appendix does not exist in pigs, it is known as the Caecum. The caecum is located in two spots. One spot has no function and is a dead end at the end of the small intestine where materials can not pass through and begin building up. The second part is located near the end of the small intestine where is connects to the colon, where any additional material may be passed through the rectum and excreted. The caecum that has a dead end is most of the time very large and dark green or brown while the second part is the same size and shape as the small intestine. The caecum partly assists with digestion making it part of the digestive

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