Organ | Function | |
Mouth | Begins to break down food. Mechanical digestion: process of breaking food into smaller pieces. Your teeth grind the food and the tongue moves the food around. Chemical digestion: process of chemically removing nutrients from food. Your salivary glands produces saliva for chemical digestion. | |
Esophagus | The transport tube that carries chewed food to the stomach. muscles squeeze the food down to the stomach. | |
Stomach | Continues to break down food. Mechanical digestion: 3 stomach muscles work together to churn the food Chemical digestion: secretes gastric juices and acids | |
Small Intestines | The organ where most of the chemical digestion of food takes place; nutrients from food are also absorbed through the villi in this part of the digestive system. | |
Large Intestines | The organ where water is absorbed from the food and taken 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 through the anus. | |
Liver | A secondary organ of the digestive system that produces bile, which is used by the body to break up fat particles. | |
Gallbladder | A secondary organ to the digestive system that functions to store bile produced by the liver. | |
Pancreas | A secondary organ to the digestive system that functions to produce digestive juices that help to further break down the food in the small intestine. |
Digestive System Structure: