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3. Movement into and out of cells

3.1  Diffusion
3.2  Osmosis
3.3  Active transport

5. Enzymes

5.1  Enzymes

7. Human nutrition

7.1  Diet
7.2  Digestive system
7.3  Physical digestion
7.4. Chemical digestion
7.5  Absorption

9. Transport in animals

9.1  Circulatory systems
9.2  Heart
9.3  Blood vessels
9.4  Blood

11. Gas exchange in humans

11.1  Gas exchange in humans

13. Excretion in humans

13.1  Excretion in humans

15. Drugs

15.1  Drugs

17. Inheritance

17.1  Chromosomes, genes and proteins
17.2  Mitosis
17.3  Meiosis
17.4  Monohybrid inheritance

19. Organisms and their environment

19.1  Energy flow
19.2  Food chains and food webs
19.3  Nutrient cycles
19.4  Populations

21. Biotechnology and genetic modification

21.1  Biotechnology and genetic modification
21.2. Biotechnology
21.3. Genetic modification

2. Organisation of the organism

2.1  Cell structure
2.2  Size of specimens

4. Biological molecules

4.1  Biological molecules

6. Plant nutrition

6.1  Photosynthesis
6.2  Leaf structure

8. Transport in plants

8.1  Xylem and phloem
8.2  Water uptake
8.3  Transpiration
8.4  Translocation

10. Diseases and immunity

10.1  Diseases and immunity

12. Respiration

12.1. Respiration
12.2  Aerobic respiration
12.3  Anaerobic respiration
 

14. Coordination and response

14.1  Coordination and response
14.2  Sense organs
14.3  Hormones
14.4  Homeostasis
14.5  Tropic responses

16. Reproduction

16.1  Asexual reproduction
16.2  Sexual reproduction
16.3  Sexual reproduction in plants
16.4  Sexual reproduction in humans
16.5  Sexual hormones in humans
16.6  Sexually transmitted infections

18. Variation and selection

18.1  Variation
18.2  Adaptive features
18.3  Selection

20. Human influences on ecosystems

20.1  Food supply
20.2  Habitat destruction
20.3  Pollution
20.4  Conservation

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