Digestive System

The digestive system is the break down of food into molecules to be moved into the blood. Food travels through the digestive tact. This includes the, mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum, and anus. There are two types of digestion- mechanical and chemical. The chewing of the food id mechanical, and the chemical the nutrients are broken down into molecules. Things called enzymes break down some of the nutrients even smaller for the body. Amino acids are too big for the blood stream so the enzymes break them down. Teeth are different shapes and sizes. The incisors and canines are perfect for the chewing. As you chew saliva mixes in with the food. Saliva includes the enzymes to break down things. After the food has been chewed it leaves the mouth into the esophagus. Then the food gets forced into the stomach. The stomach is attached to the esophagus. The stomach performs mechanical processes to break down the food even more. The enzymes and acid then come out to turn the food into nutrients. After the stomach the food goes to the small intestine. The pancreas is what protects the small intestine. The liver is what comes next. It is what helps with the digestion. The liver makes bile to break up fat, stores mutrients, and breaks down toxins. The bile is temporarily stored in the gallbladder. Then any material not ready to go into the blood stream it goes to the liver. Materials that can't be absorbed are then pushed into the large intestine. It stores compacts and then eliminates indigestible food from the body. The large intestine absorbs most of the liquids and turn it into feces or stool. The last part of the large intestine is the rectum. It stores the feces or stool until it can be released. When it gets released it goes a small opening through the anus.