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Lawson Digestion

Digestion Unit

Digestive System Breaks down foods into nutrients that can be used by the body, absorb nutrients that are necessary for energy, growth, and maintenance, and rid the body of solid wastes.
Primary organs Have a direct role in digesting food and come into physical contact with the food.
Secondary organs Supports the process of digestion by secreting digestive juices - food does not pass through
Mouth Begins to break down food into smaller pieces through mechanical digestion; saliva in the mouth starts the process of chemical digestion.
Esophagus The transport tube that carries chewed food to the stomach.
Stomach Continues the process of mechanical digestion; and secretes gastric juices that continue the process of chemical digestion started in the mouth.
Small intestines The organ where most of the chemical digestion of food takes place; nutrients from food are also absorbed into the bloodstream through the small intestines.
Large intestines The organ where water from the food is absorbed into the bloodstream; prepares the remaining undigested food for elimination from the body.
Rectum A short tube that stores solid waste until it is eliminated from the body.
Anus Opening where solid waste is eliminated.
Liver Produces bile, which is used by the body to break up fat, and filters blood.
Gallbladder Stores bile produced by the liver.
Pancreas Produces digestive juices that help to further break down the food in the small intestine.
Created by: Lawsont