Health Sciences 1001A/B Chapter Notes - Chapter 6-14: Hemorrhoid, Deep Frying, Low-Density Lipoprotein

• School: Western University
• Department: Health Sciences
• Course: Health Sciences 1001A/B
• Professor: Jeannie Samuel

Document Summary

Size classes of essential nutrients: proteins, fat, carbs, vitamins, minerals, water. Our body obtains these nutrients by digestion: foods we eat are broken down into compounds our gastrointestinal tract can absorb and use. *of the 6 classes of essential nutrients, only 3 supply energy: fat 9cals/g, carbs 4cals/g, protein 4cals/g. Calories consumed in excess energy needs are converted to fat and stored in the body. Form the bodies main structural components: muscles and bones. 20 common amino acids are found in food; 9 of which are essential, the other 11 are produced by the body. Proteins are considered complete if they supply all essential amino acids, and are incomplete if they do not supply all essential amino acids. Examples of complete proteins include meat, fish, poultry, eggs, milk, cheese and soy. Fats help your body absorb fat-soluble vitamins and add flavor/texture to foods. Fats are fuel for the body during rest and light activity.