[NUTR 1020] - Final Exam Guide - Comprehensive Notes for the exam (114 pages long!)
Document Summary
Controlled by the external food choice mechanism. (ex. seeing food like a tempting dessert) Issues with this center will cause malnutrition. Issues with this center will cause obesity. Nutrition definition: science that links foods to health and disease. It includes the process by which the human ingests, digests, absorbs, transports, and excretes food substances. Nutrients definition: obtained from food that are vital for growth and maintenance of a healthy body throughout life. Essential nutrients (3 characteristics: performs at least one specific biological function, removal will lead to decline in certain biological function, replacing the omitted nutrient in the diet will restore the normal biological function. Example: if you remove iron from your diet, then the red blood cells will reduce and you will become anemic. Then if you supply your body with iron again then a normal amount of red. Regulators- promote body processes: carbohydrates- energy providers. Starch (hundreds of glucose), cellulose: protein- made up of 20 amino acids.