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digestive-system - Coggle Diagram
digestive-system
1
Mouth
Digestion begins in the mouth, where the teeth chew the food. Glands in the mouth produce a digestive juice called saliva. The tongue mixes the food particles with the saliva.
2
Pharynx
When a person swallows food it passes through the pharynx, or throat, into the esophagus.
3
Esophagus
The esophagus is a tube through which food passes from the pharynx to the stomach. In a process called peristalsis, the walls of the esophagus move in waves to push the food down the tube to the stomach.
4
Stomach
In the walls of the stomach, millions of glands produce digestive juices. The juices contain substances called enzymes and hydrochloric acid. Enzymes can build up or break down other molecules. They help produce chemical changes in the body. In the case of digestion they help to break down the food particles.
The stomach churns the food into a thick liquid called chyme. This process does not take place all at once.
5
Liver
The liver makes bile, which helps to digest fat. The bile is stored in the gall bladder, a small hollow organ located just under the liver.
6
Pancreas
. Juice from the pancreas helps to digest carbohydrates, proteins, and fats.
7
Gallbladder
The bile is stored in the gall bladder, a small hollow organ located just under the liver.
8
Small Intestine
The small intestine is 22 to 25 feet (6.7 to 7.6 meters) long. It is the longest part of the digestive system. Food remains in the small intestine for several hours.
9
Large Intestine
Some substances, like plant fibers, cannot be broken down.These substances pass from the small intestine into the large intestine, or colon. The large intestine is much shorter and wider than the small intestine. The waste material slowly moves through the colon over a period of 10 to 20 hours.
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