digestive system

Use in a sentence

digestive system

noun
the system by which ingested food is acted upon by physical and chemical means to provide the body with absorbable nutrients and to excrete waste products; in mammals the system includes the alimentary canal extending from the mouth to the anus, and the hormones and enzymes assisting in digestion.

Origin:
1950–55

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To digestive system
American Heritage
Medical Dictionary

digestive system n.
The alimentary canal and digestive glands regarded as an integrated system responsible for the ingestion, digestion, and absorption of foodstuffs and the elimination of associated wastes. Also called alimentary system.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
00:10
Digestive system is always a great word to know.
So is connective tissue. Does it mean:
outer later that protects the vessel
study of the structure of the body and its parts without the use of a microscope
American Heritage
Science Dictionary
digestive system   (dī-jěs'tĭv)  Pronunciation Key 


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The alimentary canal together with the salivary glands, liver, pancreas, and other organs of digestion.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Cultural Dictionary

digestive system definition


The organs and glands in the body that are responsible for digestion. The digestive system begins with the mouth and extends through the esophagus, stomach, small intestine, and large intestine, ending with the rectum and anus. Other organs in this system include the liver, pancreas, gallbladder, and appendix.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Example sentences
Although good for the plants, it is not so good for the human digestive system.
They may be tenants, but they double as part of the plant's digestive system.
Any time you change up your diet, you risk upsetting your digestive system.
Esophageal atresia is a disorder of the digestive system in which the esophagus
  does not develop properly.
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