The Digestive System: Anatomy Review and antimicrobiab) skin. 4 Digestive story

Question

The Digestive System: Anatomy Review and antimicrobiab) skin. 4 Digestive story 1. List two main divisions of the digestive system. ds a. me, D or mucus, E ar p b, 2. The four main layers of the digestive tract wall are t, where it can be a. b. c. d. gher the particle, the m and pathogens 3. Label the diagram below with the four main layers you listed in question 2. A or chemotaxis D or fibrin mesh. eleases interferon r cels B or B celis and The mucosa includes a type of columnar Blood and lymph vessels of the mucosa are found in its The smooth muscle layer of the mucosa is called the The function of epithelial goblet cells is to secrete 4. that forms the inner lining of the lumen 5. 6. 7. 8. connective tissue layer cells of themucurs through the mucosal epithelium and secrete hormones into the blood. of nutrients occurs through the mucosal epithelium and into eitheror vessels. 10. The muscularis mucosa has both and älnd fibers that function in moving the villi to aid in digestion and absorption. 11. The built-in (intrinsic) network of nerve cells in the submucosa is the 12. The two types of movements produced by contractions of the muscularis externa are and 13. The network of neurons in between the two muscle layers of the muscularis externa is the cnapter Twenty-One The Digestive System47

Explanation / Answer

Answer:

1: Two main division of digestive system is:

2: Four main layer of digestive tract wall are:

4: The mucosa include a type of columnar epithelium that forms the inner lining of lumen.

5: Blood and lymph vessel of the mucosa are found in its lamina propria connective tissue layer.

6: The smooth muscle layer of the mucosa is called muscularis mucosae.

7: The function of the epithelial globet cell is to secrete mucus.

8: enteroendocrine cells of the mucosa secrete hormones into the blood.

9: Absorbtion of the nutrients occurs through the mucosal epithelium and into either blood or lymphatic vessel.

10: The muscularis mucosa has both inner circular and outer longitudinal fibres that function in moving the vili to aid in digestion and absorption.

11: The built in network of the nerve cell in submucosa is the nerve plexus.

12: The two types of movement produced by contraction of the muscularis externa are peristalsis and segmentation.

13: The network of neurons is between the two muscle layer of the muscuaris externa is the nerve plexus.

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