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Digestive System Diagram

the digestive system diagram

Illustration from the National Institute of Diabetes and Digestive and Kidney Diseases Health Information Center

Digestive System Vocabulary

digestive system : organ system that breaks down food and extracts nutrients from the food for use by the entire body

alimentary canal : the long tube in the body through which food passes after it is eaten

bile : a digestive juice secreted by the liver

carbohydrate : an essential component of living cells and source of energy

esophagus : the tube that leads from the mouth through the throat to the stomach

feces : solid wastes in the large intestine that are expelled from the body

gall bladder : the organ in the body in which bile from the liver is stored

liver : a large organ of the body that produces bile and cleans the blood

pancreas : a large gland of the body that is near the stomach and that produces insulin and other substances that help the body digest food

peristalsis : regular muscular contractions that move food through the digestive tract

salivary glands : a small organ that produces saliva in the mouth

small intestine : the long, narrow upper part of the intestine in which food is digested after it leaves the stomach

sphincter : a ring of muscle that aids in the one-way passage of food through the digestive tract

stomach : the sac-like organ in the body where food begins to be digested after eating

teeth : the set of hard, bony enamel-coated structures in the mouth used for biting and chewing 

tongue : the soft, movable part in the mouth that is used for tasting and eating food and in human beings for speaking


Adapted from Human Body Systems by the National Science Resource Center, Vocabulary.com Systems of the Human Body by Tina S. and digestive system by Julie W.Body System Vocabulary Quizlet by tblaschke, and LearnersDictionary.com

How the food you eat affects your gut - Shilpa Ravella

How your digestive system works - Emma Bryce

What does the liver do? - Emma Bryce

What does the pancreas do? - Emma Bryce

Digestive System Books

Ms. Elizabeth Gartley | Daniel F. Mahoney Middle School | 240 Ocean Street | South Portland, Maine | 04106 | Tel: 207-799-7386