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Digestions of Food: The Alimentary Canal (Gut)

1) MOUTH where food is chewed and swallowed

2) Food travels down the OESOPHAGUS by peristalsis

3) To the STOMACH

ATE

PRODUCTS

ENZYME

PRODUCED BY

Proteins

Smaller polypeptides

Endopeptidase: Pepsin

Gastric glands

4) To the SMALL INTESTINE (duodenum → ileum)

SUBSTRATE

PRODUCTS

ENZYME

PRODUCED BY

Starch

Maltose

Pancreatic amylase

Pancreas

Maltose

Glucose

Maltase

Intestinal cells

Proteins

Smaller polypeptides

Endopeptidase: trypsin

Pancreas

Smaller polypeptides

Amino acids;
Dipeptides

Exopeptidase

Pancreas

Dipeptides

Amino acids

Peptidase

Intestinal cells

Triglycerides

Glycerol;
Monoglycerides;
Fatty Acids

Lipase

Pancreas

5) To the LARGE INTESTINE (cecum → colon → rectum) to anus

Lactose and Lactose Intolerance

Absorption of Products of Digestion

Histology of the Ileum in Relation to its Secretory and Absorptive Functions

The Layers of the Gut Wall and the Ultrastructure of the Epithelium

Absorption And Active Uptake Of The Products Of Digestion In Small Intestine

Glucose

Amino Acids

Lipids

Oral Rehydration Therapy In The Control Of Gastro-Intestinal Infections

Control Of Digestive Secretions

Nervous And Hormonal Control Of Salivary, Gastric And Pancreatic Secretions

Importance Of Simple And Conditioned Reflexes And The Hormones

Nervous reflexes

Condition reflex

Hormones