Essay

It was time for lunch and Jimmy went to Wendys to conduct a double bacon cheeseburger. When he got the burger she opened her oral cavity and took a large bite. She then began the first step in the digestive system, which is chewing with your teeth. The chewing, or mastication, is mechanical digestion. Mechanical digestion breaks the pabulum into venial pieces, which increases rise bea for chemical substance reactions. The salivary glands then explicate and secrete saliva, which delays salivary amylase. This enzyme begins the digestion of carbohydrates such as the bun, pickles, lettuce, and tomatoes while they ar still in the mouth. The food is then known as a bolus. The bolus is sw altogetherowed and travels roundward the esophagus, propelled by peristalsis. Then the food reaches the set up. The venter has a lining that produces hydrochloric acid and the enzyme pepsin. The conduct churns the bolus and liquefies it, turning it into chyme. The c hemical digestion of protein starts to take place because of the pepsin. In the stomach the burger and cheese are digested. Also, the liver, an accessory organ, produces bile, which is excreted into the menial intestine. Bile is a chemical that causes emulsification. Emulsification is the care for of breaking up fat into small globules, increasing surface area.

The fatty bacon is digested by emulsification. The gall bladder and the pancreas are besides accessory organs. The gall bladder stores any(prenominal) bile. The pancreas produces 3 enzymes: amylase, protease, and lipase. They all will travel through a pancreatic television channel to get into the small in! testine. The small intestine is the main invest of chemical digestion. This is where the carbohydrates break down into monosaccharides, the protein breaks down into amino acids, and each lipid molecule breaks down into 1 glycerol and 3 fatty acids. These are heedless by the villi of the small intestine. The villi contain blood vessels that carry well-nigh nutrients to the rest of the body. Then...If you want to get a full essay, decree it on our website: BestEssayCheap.com

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