Elimination undigested material will be released through the rectum and anus. Stomach jshaped muscular bag that stores the food you eat, breaks it down into tiny pieces. Digestive and excretory systems digestive system functions of the digestive system digestion waste removal solid conversion of food energy to. A more detailed presentation of this topic may be fount at. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Pyloroplasty the opening into the duodenum and small intestine pylorus are enlarged, enabling contents to pass more freely from the stomach. Powerpoint presentation the human digestive system. Its function is to keep the mucous membrane of the mouth moist, to lubricate the food. The conversion of the food consumed to the nutrients required is a multistep process involving digestion and absorption.
The presence of the bacteria on portions of the stomach lining prevents it from secreting mucous, making it susceptible to the digestive action of pepsin. Mastication mastication or chewing breaks food down into smaller pieces by combining it with saliva. The small intestine is broken down into three parts. Bile bile emulsifies lipids physically breaks apart fats bile is a bitter, greenishyellow alkaline fluid, stored in the gallbladder between meals and upon eating is discharged into the duodenum where it aids the process of digestion.
Pepsinogen is converted to pepsin in the increased presence of hydrochloric acid ph 1. Organs of the digestive system include the mouth, esophagus, stomach, small. Enzymes reactions ppt ppt microsoft powerpoint presentation, 258 kb 264192 bytes. Digestive system powerpoint ppt presentations powershow.
Digestive systems boundless biology lumen learning. Synthesis, breakdownconversion, storage, detoxification. Pancreas an organ which secretes both digestive enzymes exocrine. Saliva a clear, tasteless, odorless, slightly acid ph 6.
Starch digestion conversion to maltose and isomaltose. A vagotomy is usually done in conjunction with an antrectomy. Digestive system quiz 8 digestive system travel brochure project 9 digestive system square puzzle 10 circulatory system class notescirculatory system 11 circulatory system vocabulary 14. Absorption passage of the end products nutrients of chemical digestion from the digestive tract into blood or lymph for distribution to tissue cells. Enzymes in the cells convert these disaccharides into monosaccharides that. Structure and functions of digestive system the alimentary canal of insects is a long, muscular, and tubular structure extending from mouth to anus. Mixes food with digestive juices that contain enzymes to break down proteins and lipids. The human digestive system chyme is now in the small intestine. Components of the digestive system regulation of appetite nutrition learning objectives links. Organs of the digestive system are divided into 2 main.
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