Unit 2 High School Health
Enzyme
an organic substance responsible for initiating chemical changes within the body
Nutrient
chemical substance that is absorbed by the body through the process of digestion
Aerobic
dependent upon oxygen to function
Anaerobic
not dependent upon oxygen to function
Cardiovascular
relating to the circulatory system
Calorie
the amount of heat needed to raise the temperature of one kilogram of water one degree Celsius; this measure is equivalent to a kilo-calorie
Catabolism
the conversion of nutrients into energy
Atrophy
the decrease in functionality of the body due to lack of use or poor nutrition
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