Relier Pairs Macronutrient Sources and FunctionsVersion en ligne Match the Sources and Functions to the nutrient par Lisa O'Leary-Reesor 1 protein sources 2 macronutrients 3 carbohydrate food sources 4 unsaturated fat food sources 5 protein main functions 6 saturated fat function 7 unsaturated fat function 8 saturated fat food sources 9 carbohydrates main function 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