Nutrition and Metabolism

Question 1

Nutrients

Answer 1

Substances in food that provide energy and materials for growth, maintenance, and repair of body tissues.

Question 2

Calories

Answer 2

Units of energy derived from food and beverages that the body uses to maintain vital functions and perform physical activities.

Question 3

Vitamins

Answer 3

Organic compounds that are essential for normal growth and metabolism, which the body cannot produce in sufficient amounts and must be obtained from the diet.

Question 4

Minerals

Answer 4

Inorganic elements essential for various physiological functions in the body, such as bone formation, muscle function, and nerve transmission.

Question 5

Metabolism

Answer 5

The sum of all chemical reactions that occur in the body to maintain life, including energy production, growth, and waste elimination.

Question 6

Anabolic Reactions

Answer 6

Metabolic processes that build complex molecules from simpler ones, requiring energy.

Question 7

Catabolic Reactions

Answer 7

Metabolic processes that break down complex molecules into simpler ones, releasing energy.

Question 8

Cholesterol

Answer 8

A type of lipid found in the bloodstream and cells, used to build cell membranes and produce hormones, but excessive levels can lead to health problems.