Year 8 Biology Revision for Summer Exams

Date of Exam: Period 2 Date TBC in Venue: TBC

What to revise:

Page numbers refer to your Science textbook (Exploring Science: How Science Works 8)

Food and Digestion

The different classes of food (fats, protein, etc) Pages 8 and 9

What is a balanced diet? Pages 10 and 11

The human digestive system. Learn how to label the different parts. Page 14

What is digestion and where does it take place? Pages 14 and 15, Pages 16 and 17

What are enzymes? Pages 15 and 16

Where does digested food enter the blood? Page 18

How does digested food enter the blood? Pages 18 and 19

What are villi? Page 18

Breathing and Respiration

Can you label the different parts of the lungs? Page 30

Where does gas exchange take place? Page 30

How are the alveoli adapted to do their job? Page 30

How smoking damages our lungs. Page 31

We need oxygen for respiration. What is respiration? Page 19, Page 23

What is anaerobic respiration? Page 29

The importance of exercise. Page 25, Page 27

What is the function of red blood cells? Page 25

Microbes and Disease

Bacteria, fungi and viruses. What do they look like? Pages 36 and 37

How can microbes be useful to us? Pages 38 and 39

Microbes can cause disease. Learn the names of two diseases caused by bacteria, two diseases caused by fungi and two diseases caused by viruses. Page 40

How are diseases spread? What is an infectious disease? Page 41

How can we stop disease spreading? Page 43

How do our bodies protect us from disease? Page 44

White blood cells and what they do. Page 44

	Erstellt von Bibi vor mehr als 11 Jahre

Notiz am Biology Revision for Summer Exams, erstellt von Bibi am 02/05/2013.