About This Chapter
Structure & Function of the Digestive System - Chapter Summary
This chapter is devoted to the components of the human digestive system and the process by which food is broken down and nutrients are absorbed in the body. You will learn the names of digestive organs and the role each plays in the digestive process. After completing your study of these video and text lessons, you should be able to:
- Relate what each part of the digestive system does
- Provide details about the metabolic process
- Define and describe the function of digestive enzymes
- Describe the functions of the liver, pancreas and gallbladder
- Discuss how the body uses carbohydrates, fats and protein
Follow expert instructors as they present this material using simple language and helpful illustrations, making learning this information easy. Lessons are self-paced and can be accessed at any time, on any device. Take self-assessment quizzes for each lesson to determine how much you have retained and whether you are ready to move on to the next topic.
1. Overview of the Human Digestive System
Discover how the human digestive system works - one of the most important systems in the human body. Learn what each part does, and then see how much you remember with a quick quiz.
2. Metabolism: Definition & Overview
Metabolism is the sum of all chemical reactions within the body. This concept, however, is much more complex than most of us understand. This lesson describes metabolism and the processes involved.
3. 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.
4. Accessory Organs of the Digestive System
Your pancreas, liver and gallbladder are accessory organs that help with the chemical digestion of food. Learn about the enzymes and other chemicals produced and stored in these organs as well as how they help you break down the foods you eat.
5. The Metabolism of Fats, Proteins & Carbohydrates
Everybody eats. But what happens to that food once it is eaten? Cellular respiration explains carbohydrates, but what about fat and protein? This lesson explores how all three macronutrients are used by the body.
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Other chapters within the GCSE Biology: Practice & Study Guide course
- The Process of Scientific Thinking
- Steps of the Scientific Method
- Analyzing & Evaluating Scientific Data
- Mathematics in Science
- Scientific Vocabulary & Measurement
- Cell Structure & Differentiation
- Understanding Cell Division
- Understanding Cell Transportation
- Basic Components of Living Things
- The Human Circulatory System
- Non-Communicable Diseases Overview
- Communicable Disease Overview
- Disease Defense, Prevention & Treatment
- Plant Tissues & Organs
- Plant Disease & Defenses
- Homeostasis & the Human Body
- Human Nervous System Overview
- Hormones in the Endocrine & Urinary Systems
- Hormones & Reproduction
- Plant Hormones
- Sexual & Asexual Reproduction
- DNA Structure & Genomes
- Genetic Inheritance
- Genetics Disorders
- Genetic Variation & Evolution
- Genetic Engineering & Cloning
- Theories of Biology
- Evidence Supporting Evolution
- Classification of Living Organisms
- Ecology & Biodiversity
- Trophic Levels & Biomass Energy
- Nutrient Cycles in an Ecosystem
- Human Impacts on Biodiversity & Ecosystems
- Food Production & Sustainability
- GCSE Biology Flashcards