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PerazaLeah-Digestive - Coggle Diagram
PerazaLeah-Digestive
Major functions of the digestive system
The organs in the digestive system convert food into nutrients that are absorbed in the body.
motility, digestion, absorption and secretion are the four main functions of the digestive system.
Digestive enzymes (including names and functions)
Amylase is an enzyme in the mouth that helps break down starch molecules and turn them into sugar small molecules.
Protease breaks down proteins into amino acids.
Lipase breaks down lipids, which are fat and oils.
Major organs of the digestive system-
The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus.
The esophagus is located in your throat near your trachea (windpipe), the esophagus receives food from your mouth when you swallow.
The liver, pancreas, and gallbladder are the solid organs of the digestive system.
Your liver makes a juice called bile that helps digest fats and some vitamins.
Disorders of the digestive system
Peptic Ulcer Disease (PUD) and Gastritis PUD is an ulcer or sore that forms on the lining of the stomach or duodenum.
Duodenum is the first part of the small intestine.
Gastroesophageal Reflux Disease is a digestive order that occurs when acidic stomach juices back up from the stomach into the esophagus.
Layers of the GI tract (including stomach)
The stomach has 5 main layers which are the mucosa, submucosa, muscularis, subserosa, and the serosa.
the mucosa is the first and innermost layer or lining.
the submucosa supports the mucosa.
the muscularis is made up of thick muscles.
the subserosa contains supporting tissue for the serosa.
the serosa is the outermost layer.