Everything You Need to Know, Including Pictures

[Continued from above] . . . but do not have food pass through them. Accessory organs of the digestive system include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas. To achieve the goal of providing energy and nutrients to the body, six major functions take place in the digestive system: IngestionSecretionMixing and movementDigestionAbsorptionExcretion Mouth Food begins its journey through the digestive system in the mouth, also known as the oral cavity. Inside the mouth are many accessory organs that aid in the digestion of food—the tongue, teeth, and salivary glands. Teeth. PharynxThe pharynx, or throat, is a funnel-shaped tube connected to the posterior end of the mouth. EsophagusThe esophagus is a muscular tube connecting the pharynx to the stomach that is part of the upper gastrointestinal tract. esophageal sphincter or cardiac sphincter. PancreasThe pancreas is a large gland located just inferior and posterior to the stomach. Swallowing.

Your Digestive System and How It Works | National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) On this page: What is the digestive system? The digestive system is made up of the gastrointestinal (GI) tract—also called the digestive tract—and the liver, pancreas, and gallbladder. Bacteria in the GI tract, also called gut flora or microbiome, help with digestion. [Top] Why is digestion important? Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Carbohydrates. Protein. Fats. Vitamins. How does digestion work? Digestion works by moving food through the GI tract. Table 1 shows the parts of the digestive process performed by each digestive organ, including movement of food, type of digestive juice used, and food particles broken down by that organ. Table 1. How does food move through the GI tract? The large, hollow organs of the GI tract contain a layer of muscle that enables their walls to move. Esophagus. Stomach. Small intestine. Large intestine. How do digestive juices in each organ of the GI tract break down food?

Animal Systems: Digestive System This is our favorite system. We love to eat and we love to poop. For the rest of the page we will refer to pooping as elimination. Your body also starts to release enzymes that start the process of chemical digestion and the breakdown of biological molecules. The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. The digestive system also works in parallel with your excretory system (kidneys and urination). Nutrition is one of the most important ideas you can learn about. You probably learn about getting enough calcium in your diet.

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