Ch 9: Digestive System Overview

About This Chapter

These lessons on the digestive system can help you with a class project, homework assignment, or test preparation. You will review digestive enzymes, nutrition, and more from a mobile-friendly learning platform.

Digestive System Overview - Chapter Summary

In this chapter on the digestive system, brief lessons cover all parts of the gastrointestinal system. Additionally, you will learn about different types of gastrointestinal hormones. Upon completion of the chapter, you should be able to do the following:

  • Discuss the process of digestion
  • Recount how digestive enzymes help to break down food
  • Describe the purpose of gastrointestinal hormones
  • Use terminology related to the function of digestion
  • Differentiate between autotrophs and heterotrophs
  • Explain the purpose of vitamins and provide examples

Subject-matter experts present the information in these lessons in a manner that ensures the material is easy to understand. If you find yourself struggling with a topic, you can use the Help feature to submit questions to instructors. A short quiz is available to test your knowledge of each lesson, and the quizzes can be printed as worksheets for offline studying.

6 Lessons in Chapter 9: Digestive System Overview
Test your knowledge with a 30-question chapter practice test
What is Digestion? - Definition & Process

1. What is Digestion? - Definition & Process

This lesson will define the process of digestion. All parts of the gastrointestinal system will be discussed. Examples will be given when possible, and you'll have an opportunity to test your knowledge.

What Are Digestive Enzymes? - Functions & Types

2. What Are Digestive Enzymes? - Functions & Types

We are what we eat. But that doesn't mean our blood vessels are filled with giant chunks of hamburger. Thankfully, digestive enzymes help break down food into sizes small enough to be absorbed into our bloodstream. In this lesson, learn about these vitally important proteins.

Gastrointestinal Hormones: Definition, Types & Functions

3. Gastrointestinal Hormones: Definition, Types & Functions

Your food is digested in a complex process, and that process also involves a wide variety of hormones. This lesson goes over some of the more commonly known gastrointestinal hormones and their major actions.

Important Functions of Digestion & Related Terminology

4. Important Functions of Digestion & Related Terminology

Have you ever experienced borborygmus? What about peristalis? This lesson will let you know; it's filled with terminology related to the functions of digestion!

Nutrition: Autotrophic & Heterotrophic

5. Nutrition: Autotrophic & Heterotrophic

In this lesson, we'll review the difference between autotrophs and heterotrophs and explain different modes of nutrition in heterotrophs. We'll also look at how modes of nutrition impact food web efficiency, and thus commercial agriculture.

What Are Vitamins? - Definition, Types, Purpose & Examples

6. What Are Vitamins? - Definition, Types, Purpose & Examples

In this lesson, you will learn about vitamins and the different types your body needs. You will also learn how vitamins function in your body, by the use of specific examples.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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