UNIT 2: PHYSICAL HEALTH

enzyme

A large protein molecule responsible for facilitating biochemical reactions within the body.

nutrients

Chemical substances that are absorbed by the body through the process of digestion.

catabolism

The conversion of nutrients into energy.

metabolism

The process by which a cell converts nutrients into energy or materials for growth, repair, reproduction, and maintenance.

anabolism

The process by which the cell uses nutrients to repair or build new tissues.

nutrition

The proper supply of nutrients essential for growth, reproduction, repair, immunity, and energy.