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 protein main functions 3 protein sources 4 carbohydrates main function 5 saturated fat food sources 6 carbohydrate food sources 7 saturated fat function 8 unsaturated fat food sources 9 macronutrients 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 provide calories (energy), consist of pro, fat and carbs