Proteins: Crucial Components of all Body Tissues
Proteins: Large, complex molecules made up of amino acids and found as essential components of all
Amino Acids: Nitrogen-containing molecules that combine to form proteins.
Essential Amino Aci
Chapter 7: Nutrients Involved in Fluid and Electrolyte Balance
Fluid: Substance composed of molecules that move past one another freely. Fluids are characterized by
their ability to conform to the shape of whatever container holds them.
Fats: Essential Energy-Supplying Nutrients
Lipids: Diverse group of organic substances that are insoluble in water; includes triglycerides,
phospholipids, and sterols.
Triglyceride: Molecule consisting of three fatty acids attached to a three-carbon glyce
Chapter 12: Nutrition and Physical Activity
Physical Activity: Any movement produced by muscles that increases energy expenditure; includes
occupational, household, leisure-time, and transportation activities.
Leisure-Time Physical Activity: Any activity
Chapter 10: Nutrients Involved in Energy Metabolism and Blood Health
Coenzyme: A molecule that combines with an enzyme to activate it and help do its job.
Beriberi: A disease of muscle wasting and nerve damage caused by thiamin deficiency.
Chapter 9: Nutrients Involved in Bone Health
Collagen: Protein that forms strong fibers in bone and connective tissue.
Cortical Bone (Compact Bone): A dense bone tissue that makes up the outer surface of all bones as well
as the entirety of most small bon
Chapter 11: Achieving and Maintaining a Healthful Body Weight
Body Mass Index (BMI): A measurement representing the ratio of a persons body weight to his or her
Underweight: Having too little body fat to maintain health, causing a person to weigh
Chapter 8: Nutrients Involved in Antioxidant Function and Vision
Antioxidant: Compound that has the ability to prevent or repair the damage caused by oxidation.
Nucleus: The Positively charged, central core of an atom. Its made up of two types of particle