The function of the digestive system is to take food into your body, break it down into individual macronutrients (proteins, fats, and carbohydrates) and micronutrients (vitamins and minerals), and then absorb those small bits and pieces of nutrients so the rest of your body can use them as fuel and raw materials for building tissues and structures.
The digestive system includes a very long tube called the digestive tract and a couple additional organs that lend a little help along the way:
