Differentiate between the digestive tract and accessory organs. Identify the cells and histology of each digestive organ including: Mucosa Epithelium Lamina propria Submucosa Muscularis mucosa Serosa Muscularis externa (circ and long) Submuscosal plexus Myenteric plexus
Added by Consuelo M.
Close
Step 1
It includes organs such as the mouth, esophagus, stomach, small intestine, large intestine, and rectum. The main function of the digestive tract is to break down food and absorb nutrients. On the other hand, accessory organs are organs that aid in the digestion Show more…
Show all steps
Your feedback will help us improve your experience
Jakob Waidelich and 50 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Small intestine: - Villi: Increase the surface area for absorption of nutrients. - Mucosa: Secretes enzymes and absorbs nutrients. - Submucosa: Contains blood vessels and nerves. - Intestinal crypt: Produces intestinal juices. - Muscularis externa: Contracts to move food through the intestine. - Serosa: Protects and supports the intestine. Colon: - Mucosa: Absorbs water and electrolytes. - Submucosa: Contains blood vessels and nerves. - Serosa: Protects and supports the colon. - Muscularis externa: Contracts to move waste through the colon.
Madhur L.
Questions 10-15: Match the description or term with the labeled structures to the right. Choices are not repeated. 10. The fundus. 11. The body. 12. The cardiac sphincter is located within this area. 13. The pyloric region of the stomach. 14. What is the name of the structure labeled as "A"? a. Trachea b. Esophagus c. Duodenum d. Cardia 15. What is the name of the structure labeled as "AB"? a. Cardiac sphincter b. Pyloric sphincter c. Rugae d. Fundic sphincter 16. The stomach has folds called ______ that help to increase surface area. a. Villi b. Rugae c. Uvula d. Gastric pits 17. The jejunum and ileum have small projections called ______. a. Villi b. Rugae c. Uvula d. Cilia 18. The entire digestive system from the mouth to the anus is acidic. a. true b. false
Adi S.
Syed H.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD