1 / 10

Digestive System

Digestive System. By: Jean Strauss José Carlos Musante And Mariano Nolte. Digestive S ystem. Made up of the digestive tract, the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. A layer of smooth muscle helps break down food and move it along the tract.

caspar
Download Presentation

Digestive System

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Digestive System By: Jean Strauss José Carlos Musante And Mariano Nolte

  2. DigestiveSystem • Made up of the digestive tract,the mouth, esophagus, stomach, small intestine, large intestine, rectum, and anus. • A layer of smooth muscle helps break down food and move it along the tract. • The gallbladder stores the liver’s digestive juices until they are needed in the intestine. • Nervous and circulatory systems also play major roles in the digestive system.

  3. How is food digested? • Digestion involves mixing food with digestive juices. • Digestion begins in the mouth, with an enzyme called amylase. • Once the swallow begins, it becomes involuntary and proceeds under the control of the nerves.

  4. Why is digestion important? • Process by which food and drink are broken down into their smallest parts. • The body can use them to build and nourish cells and to provide energy. • When you eat, food is not in a form that the body can use. to cells.

  5. Proteins

  6. PancreaticEnzymes • Natural chemicals • Secretion of about 8 cups of pancreaticjuice. • Itneutralizesstomachacidswhentheyreachthesmallintestine. • Threetypes: • Lipase • Protease • Amylase

  7. SalivaryEnzymes • Consideredtobe a Predigestion • Saliva containsAmylase (Ptyalin) and Lysozyme. • Helpfortastingfood in thedevelopment of taste buds. • Breaksdownstarch and fats. • Prevent bacteria fromaffectingourteeth.

  8. PEPSIN • Three types of pepsin, A, B and C. • Important enzyme in the digestive system. • Degrades food proteins into peptides.

  9. GASTRIC JUICE • Digestive fluid. • PH of 1-2. • Key role in the digestive system, activates digestive enzymes. • Produces by cell lining in the stomach.

More Related