Functions:

Builds and repairs body tissue
Maintains healthy muscle
Helps to defend the body against disease
Promotes growth

Descriptions:

High quality proteins contains all nine essential amino acids.

Are composed of the chemicals carbon, hydrogen and oxygen. It is broken down more rapidly than proteins or fats; therefore, carbohydrates are a quicker source of energy.
Function:

provides the body’s major source of energy.
supplies fiber that contributes to good digestion and elimination

Some foods maybe appetizing to you, and yet the same foods will be disgusting to someone else. A big, juicy steak may make your mouth water, but this food would offer no appeal to a vegetarian. Certain foods are not eaten for many reasons, including religious and cultural beliefs, personal taste, likes and dislikes, dietary [...]