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simple hand out for lower secondary school
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HUMAN DIGESTIVE SYSTEM • What is digestion?
• System involved?
• Types of digestion
• What is an enzyme?
• Breakdown of
-carbohydrate
-protein
-fats
• Digestion process
MOVEMENT OF FOOD ALONG THE
ALIMENTARY CANAL
A
B
C
D
E
G
F
Breakdown of Carbohydrate
Breakdown of Protein
PROTEIN
POLYPEPTIDE/PEPTON
AMINO ACID
FATS
FATS GLYCEROL FATTY ACIDS
Alimentary canal
Process
A Teeth Tongue Saliva-enzyme
B Peristalsis
C Gastric juice
D Bile Pancreatic juice (LAP)
E Intestinal juice (LMP)
F Reabsorption
G Defecation
Enzymes and Secretion
EMULSIFICATION
TEST FOOD RESULT
IODINE TEST
BENEDICT’S TEST
GREASE SPOT TEST
MILLON’S TEST
EMULSION TEST
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