2.2 Preview: Feedback loops and Homeostasis in the Digestive System 

• Please read the instructions in the slide to the right to complete the preview in your module guide. 

2.2 Lesson:

• Please plan on recording all slides. 

• No diagrams required (you will receive diagram handouts). 

• Skip the final three slides (we will complete this activity separately. 

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• Below: Please complete PART 2 notes near your Part 1 notes (complete before class on 9/12) 

Digestive: Part 1- Completed in class on 9/9

Essential Vocab: chemical digestion, mechanical digestion, mechanoreceptors, chemoreceptors, ingestion, propulsion, absorption, defecation, alimentary canal, mouth, esophagus, small intestine, large intestine, sphincter, duodenum, jejunum, ileum, liver, gallbladder, pancreas, protease, lipase, amylase, pepsin, HCl, emulsification, rugae, molars, incisors, canines, salivary glands, papillae, villi, microvilli 

Module Learning Targets: 

2.1 – I can identify the overall function of the digestive system as digestion and absorption of foodstuffs, and describe the general activities of each digestive system organ. 

2.2 - I can describe and diagram the chemical reactions that take place in the digestive system. I can link my background on enzymes