Relier Pairs Macronutrient Sources and FunctionsVersion en ligne Match the Sources and Functions to the nutrient par Lisa O'Leary-Reesor 1 unsaturated fat function 2 carbohydrates main function 3 protein main functions 4 saturated fat function 5 protein sources 6 unsaturated fat food sources 7 saturated fat food sources 8 carbohydrate food sources 9 macronutrients provide calories (energy), consist of pro, fat and carbs insulates body and plumps it up but too much is bad for your heart; high source of energy contributes to healthy heart, high soruce of energy, transport vitamins A,D,E,K around body