Ch 41: Nutrition Overview

About This Chapter

Broaden your understanding of nutrition, including digestion and diets using this short chapter. Video and text lessons provide an easy way to study key facts as you prepare for health class, college entrance or academic assessment exams.

Nutrition Overview - Chapter Summary

From crucial nutrients to the act of digesting food, this chapter covers all aspects of eating right and why it's important. You can learn details about the entire digestive system, its processes and how nutrients are absorbed. You'll also study information about the effects of having too many or too little nutrients. Each lesson provides illustrations and examples to facilitate learning and clarify topics. Once you have finished reviewing this chapter, you should be able to do the following:

  • List the six most vital nutrients the body requires
  • Discuss the impact of an unbalanced diet
  • Define the digestion process
  • Identify parts of the gastrointestinal system
  • Describe the role of the small intestine in nutrient absorption
  • Detail the assimilation of food as processed by humans and animals
  • Name nutrient deficiencies that are linked to specific diseases and conditions

Our expert instructors simplify this material to make it accessible to all knowledge levels. Lessons are available on any device at all times, so you can easily fit studying into your schedule. You can also print lesson transcripts to make handy reference tools. Check how much you have retained from each lesson by taking self-assessment quizzes before moving on to the next topic in the chapter.

6 Lessons in Chapter 41: Nutrition Overview
Test your knowledge with a 30-question chapter practice test
What is Nutrition?

1. What is Nutrition?

Nutrition is the process of taking in nutrients from the foods you eat. Learn about the six nutrients needed for energy, maintenance of tissues and regulation of bodily processes: carbohydrates, fats, proteins, water, vitamins and minerals.

Malnutrition: Causes of Over-nutrition and Under-nutrition & Most Affected Regions

2. Malnutrition: Causes of Over-nutrition and Under-nutrition & Most Affected Regions

Have you ever thought about your diet and whether or not you are getting the appropriate nutrients you need to remain healthy? In this lesson, we will describe the concept of malnutrition and explore the ways that people's diets can be unbalanced. We will also discuss regions of the world where malnutrition is prevalent and why.

What is Digestion? - Definition & Process

3. 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.

Small Intestine: Nutrient Absorption and Role In Digestion

4. Small Intestine: Nutrient Absorption and Role In Digestion

The majority of digestion and absorption of nutrients takes place in the small intestine. In this lesson, you will learn about unique modifications within the walls of the small intestine, such as microvilli, villi, and circular folds. These structures increase absorption of nutrients.

Assimilation of Food in the Digestive System

5. Assimilation of Food in the Digestive System

In this lesson, we'll be learning about the biological process of assimilation and its role in the digestive system. We'll learn how this happens in humans and compare it to other animals.

Nutrient Deficiencies: Definition & Examples

6. Nutrient Deficiencies: Definition & Examples

In this lesson, we will explain what nutrient deficiencies are, and how deficiencies of certain vitamins and minerals occur. Next, we will review what problems are associated with these deficiencies.

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

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