Page 3 - Biology Form Two
P. 3
Biology for Secondary Schools
Table of Contents
Acknowledgements .......................................................................................v
Preface .......................................................................................................... vi
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Chapter One: Nutrition in animals ..................................................1
Concept of nutrition in animals .......................................................................1
Nutrients ..........................................................................................................5
Balanced diet ................................................................................................14
Nutritional requirements for different groups of people ..............................16
Nutritional deficiencies and disorders ...........................................................20
Properties of food nutrients ..........................................................................24
Revision exercise 1 .......................................................................................35
Chapter Two: Digestive system ........................................................38
The digestion process ...................................................................................39
The digestive system of ruminants ..............................................................50
Disorders and diseases of human digestive system .....................................53
Revision exercise 2 .......................................................................................60
Chapter Three: Transport of materials in living organisms .........63
Concept of transportation of materials ..........................................................63
Ways of transportation of materials .............................................................64
Revision exercise 3 .......................................................................................73
Chapter Four: Transport of materials in flowering plants ...........76
The vascular system ......................................................................................76
Absorption and movement of water and mineral salts .................................84
Transpiration ................................................................................................88
Guttation ......................................................................................................92
Revision exercise 4 .......................................................................................95
Chapter Five: Transport of materials in mammals .......................98
The mammalian heart ..................................................................................98
Blood vessels .............................................................................................103
Student’s Book - Form Two iii
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