human digestion Flashcards
role of incisors
cutting and bitting
role of canines
biting,tearing and holding
premolars and molars
chewing and grinding.
ingestion
taking in of substances through the mouth
mechanical digestion
break down of food into smaller molecules
chemical digestion
breaking down large insoluble molecules into small soluble molecules
absorption
the movement of small food molecules and ions through the wall dot the intestine into the blood
assimilation
movement of ingested food molecules into the cells of the body, which is then used to become part of the cells.
egestion
the passing out of food that has not been digested or absorbed though the anus.
where is bile produced
liver
where is bile stored
pancreas
2 main roles of bile
- Has an alkaline pH to neutralise with the food coming from stomach that is acidic.
2.emulifys fats. meaning it breaks large droplets/molecules into smaller ones.
define emulsify
Breaking down larger molecules into smaller molecules.
AMYLASE
-it is made in the pancreas
-it digests starch into smaller glucose molecules.
PROTEASE
-A group of enzymes that breakdown proteins into amino acids
-done in the stomach and small intestine.
