Page 52 - Biology Form Two

Biology for Secondary Schools

Part of Digestive Enzyme Substance Product of
digestive juice secreted digested digestion
system
Duode- Pancreatic Trypsin Proteins Peptides and
num juice amino acids
FOR ONLINE READING ONLY
Pancreatic Starch Maltose
amylase (Carbohydrate)

Pancreatic Lipid Fatty acids
lipase and glycerol
Ileum Intestinal Maltase Maltose Glucose

juice (Carbohydrate)
Sucrase Sucrose Glucose and
(Carbohydrate) fructose
Lactase Lactose Glucose and
(Carbohydrate) galactose
Peptidase Peptides Amino acids

Lipase Lipids Fatty acids
and glycerol

Exercise 2.1

1. Match each item in Column A against its corresponding item from Column B.
Column A Column B
(i) Pancreas A. The chewed food is rolled into a ball-
like structure
(ii) Chemical
breakdown B. Movement of food along the
oesophagus involving series of muscle
(iii) Mechanical contractions and relaxations
breakdown C. Part of the digestive system where the
process of digestion ends
(iv) Lactase
D. The muscle that controls the opening
(v) Sucrase into the stomach

E. Part of alimentary canal used for
swallowing food

46 Student’s Book - Form Two

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