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enzymes and digestion (digestive system overview (structures and their…
enzymes and digestion
digestive system overview
absorption
the movement of food molecules and ions through the walls of the intestines and into the blood
mechanical digestion
the breakdown of food into smaller pieces without chemical changes to the food mollecules
assimilation
movement of digested food molecules into the cells of the body where they are being used, becoming part of the cells
ingestion
the taking of substances such as food or drink into the mouth
egestion
passing of food that has not been digested or absorbed out the anus as feces
chemical digestion
the breakdown of larger insoluble molecules into smaller, soluble molecules
structures and their functions
mouth
where food enters the alimentary canal and digestion begins
gall bladder
stores bile before releasing it into the duodenum
pancreas
produces digestive enzymes
duodenum
where food is mixed with digestive enzymes and bile
stomach
muscular organ where digestion occurs
iluem
where digested food is absorbed into the blood
esophagus
muscular tube that moves ingested food to the stomach
colon
where water is reabsorbed
salivary glands
produces saliva containing amylase
rectum
where feces is stored
liver
produces bile
anus
where feces leaves canal
macromolecules