digestive system 310
Terms
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- the process by which nutrients pass from the digestive tract into the blood
- absorption
- organs that have a digestive function but are not part of the alimentary canal
- accessory organs
- liquified food entering the small intestine from the stomach
- chyme
- mechanical and chemical processes that convert nonabsorbable foods into absorbable nutrients
- digestion
- the first part of the small intestine, which receives bile and pancreatic juice
- duodenum
- a substance required for the functioning of body cells
- nutrient
- wavelike contractions that move food through the alimentary canal
- peristalsis
- a circular muscle that close an opening
- sphincter
- a chemical that is acted upon and changed by an enzyme
- substrate
- tiny projections of the mucous membrane in the small intestine
- villi
- an organic compound required by the body in minute amounts
- vitamin
- the tube through which food passes from the mouth to the anus
- alimentary canal