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Food travels from mouth to gut. Along the way, you absorb nutrients from food. Digestive system breakdown. Digestive system includes GI tract, liver, pancreas, and gallbladder. GI tract hollow organs range from mouth to anus. GI system includes mouth, oesophagus, stomach, small intestine, large intestine, and anus. Your digestive tract converts food into energy and nutrients. Your body requires food and drinks to stay healthy and function properly. Nutrients include carbs, proteins, fats, vitamins, minerals, and water. Your digestive tract absorbs food and liquid nutrients for energy, growth, and cell repair. Mouth, oesophagus, stomach, intestines, rectum, and anus are digestive organs. Mouth is where digestion begins. Pre-meal digestion trigger salivary glands. Chewing helps digestion. Saliva helps digest meals. Swallowing moves food from the tongue into the throat and oesophagus. The oesophagus is placed near to trachea (windpipe). The epiglottis covers your windpipe when you swallow
