Identify the names, functions, and sources of essential macro- and micro-nutrients.

 Micro-nutrients and macro-nutrients are both essential in the everyday life of a human, the difference is that micro-nutrients is required in small amounts and macro-nutrients is required in large amounts. Micro-nutrients are known as the vitamins and minerals we need to survive on a day to base, these are thing such as fluoride, selenium, sodium, iodine, copper and zinc. Also include vitamins such as vitamin C, A, D, E and K, as well as the B-complex vitamins. Eating more fresh fruits and vegetables is a way to ensure that one is getting enough vitamins and minerals needed because fruits and veggies are high in vitamins and minerals. Macro-nutrients are things such as carbohydrates, proteins and fats humans need these things in their daily diet as well. Micro-nutrients are important because they help the organs in the body develop and grow as they should. While on the other hand macro-nutrients provide energy. Nutrients are ingredients needed for development, metabolism, and to help the body overall function as it should. 

Sizer, F. & Whitney, E. (2013) Nutrition: Concepts and Controversies (13 ed).