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Ch 4: Nutrition & Fitness

About This Chapter

8 Lessons in Chapter 4: Nutrition & Fitness
Test your knowledge with a 30-question chapter practice test
What is Iodine? - Uses, Sources, Benefits & Deficiency Symptoms

1. What is Iodine? - Uses, Sources, Benefits & Deficiency Symptoms

In this lesson, we will learn about iodine. We will learn how we get it in the diet, why it is important to the body, and what happens if we do not get enough iodine in our diets.

Glycogen: Definition, Storage & Breakdown

2. Glycogen: Definition, Storage & Breakdown

Carbohydrates are an important energy source for the human body. Yet, when we consume too much of this fuel, we have to have a way to store the excess, as you'll find out in this lesson.

Lipid Bilayer: Definition, Structure & Function

3. Lipid Bilayer: Definition, Structure & Function

The lipid bilayer is important for maintaining the shape of a cell and for selective permeability. Therefore, it is vital for the survival and function of the cell. This article explains what the lipid bilayer is and how its structure contributes to cell viability.

Bioavailability: Definition, Calculation & Equation

4. Bioavailability: Definition, Calculation & Equation

Bioavailability measures how much of what you ingest or take intravenously (in the case of pharmaceuticals) enters your bloodstream to be available to your cells. Learn how bioavailability is calculated, and the equation that's commonly used.

Calcium Chloride: Uses, Structure & Formula

5. Calcium Chloride: Uses, Structure & Formula

Salts are inorganic compounds that are made up of ions through the formation of ionic bonds. These molecules are important chemically in both natural and commercial processes. This article focuses on one of these salts: calcium chloride.

Anaerobic Exercise: Definition, Benefits & Examples

6. Anaerobic Exercise: Definition, Benefits & Examples

In this lesson, you will learn about anaerobic exercise and its health benefits. In addition, you will obtain knowledge of the various types of anaerobic workouts.

Flexibility in Fitness: Definition, Stretches & Exercises

7. Flexibility in Fitness: Definition, Stretches & Exercises

Flexibility is important in fitness because it allows for better performance when playing sports or exercising, and during your day-to-day activities, it makes bending, walking, and lifting easier. In this lesson, you will learn how stretching and certain types of exercises can help improve flexibility.

Biological Fitness: Definition & Concept

8. Biological Fitness: Definition & Concept

In everyday life, the term 'fitness' is used in relation to exercise, diet, and overall well-being. In biology, it refers less to how healthy an individual is, and more to the number of babies he or she makes. Find out more in this lesson.

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.
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