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DIGESTION
BUCCAL CAVITY
Mechanical digestion mastication (chewing)
Saliva:
o Mucus to bind food together lubricant
o Salivary amylase to digest starch into maltose
o Mineral salts act as a buffer, keeping the pH at 7


OESOPHAGUS
Peristalsis of the circular and longitudinal muscles to move food through the gut
Joins…

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ILEUM
Enzymes found in the intestine wall:
o Maltase hydrolyses maltose to glucose
o Sucrase hydrolyses sucrose to glucose and fructose
o Endopeptidase hydrolyses peptides into shorter peptides by breaking the
bonds in the middle
o Exopeptidase hydrolyses peptides into amino acids and dipeptides by
breaking off the amino acids…

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