BIOLOGY SYLLABUS GRADE 8

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	Topics	Subtopics
1	Respiration	1.1 The human respiratory system
		1.2 Gas exchange
		1.3 Breathing
		1.4 Respiration
		1.5 Blood
2	Ecosystems	2.1 The Sonoran Desert
		2.2 Different ecosystems
		2.3 Intruders in an ecosystem
		2.4 Bioaccumulation
3	Diet and growth	3.1 Nutrients
		3.2 A balanced diet
		3.3 Growth, development and health
		3.4 Moving the body