Introduction

After air, water is the most important nutrient to the human body. A person can go without food for many weeks but only a few days without water. Fluids provide hydrogen, oxygen, and minerals. In this section, we will examine the importance of fluids and the concept and science of hydration. We will also consider modern sources of water, quality issues, and the technology of sports hydration drinks.

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Following successful completion of this lesson, students will be able to:

  • Do a written evaluation of various commercial fluid products (bottled water, sports drinks, soda pop, vitamin drinks) and their value in wellness.
  • List the function and sources of water in the body and body water composition at various life stages.
  • Identify the regulatory mechanism for fluid intake, excretion, and distribution in the human body.
  • Distinguish between the symptoms and wellness risks of fluid volume deficit or excess fluids and hydration.

 

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