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digestive system

LC Biology

Ingestion food is taken into the alimentary canal
Digestion food is broken down into smaller soluble pieces
Absorption the movement of digested food from the alimentary canal into the blood system
Egestion removal of unabsorbed food as feces
mechanical breakdown of food teeth/ contractions in stomach wall/peristalsis
human teeth incisors/canines/pre molars/molars
human dental formula the number of each type of tooth in the upper jaw one side of the mouth
dental formula 2(i2/2 c 1/1 pm 2/2 m 3/3)
oesophagus connects larynx to stomach food moves down threw oesophagus by peristalsis
stomach stores food for 4 hours
chyme churns and mixes food with gastric juice
functions of gastric juice mucus HCL
mucus lines and protects stomach wall
HCL kills bacteria in food
small intestine muscular tube
function of small intestine digestion and obsorption
Created by: shaunatuite