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IGCSE Biology 0610 — Forms 4–5 Complete Course
10.1 Gas exchange in humans
IGCSE Biology 0610 — Forms 4–5 Complete Course
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Unit B1 · Living organisms
Start here · Core or Extended? Your study map
Reading
1.1 Characteristics and classification
Reading
Quiz · 1.1 Characteristics and classification
Quiz
1.2 Features of organisms and dichotomous keys
Reading
Quiz · 1.2 Features of organisms and dichotomous keys
Quiz
Unit B2 · Cells
2.1 Cell structure and specialised cells
Reading
Quiz · 2.1 Cell structure and specialised cells
Quiz
2.2 Magnification and size of specimens
Reading
Quiz · 2.2 Magnification and size of specimens
Quiz
Unit B3 · Movement into and out of cells
3.1 Diffusion
Reading
Quiz · 3.1 Diffusion
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3.2 Osmosis
Reading
Quiz · 3.2 Osmosis
Quiz
3.3 Active transport
Reading
Quiz · 3.3 Active transport
Quiz
Unit B4 · Biological molecules and enzymes
4.1 Biological molecules and food tests
Reading
Quiz · 4.1 Biological molecules and food tests
Quiz
4.2 How enzymes work
Reading
Quiz · 4.2 How enzymes work
Quiz
4.3 Enzymes: temperature and pH
Reading
Quiz · 4.3 Enzymes: temperature and pH
Quiz
Unit B5 · Plant nutrition
5.1 Photosynthesis
Reading
Quiz · 5.1 Photosynthesis
Quiz
5.2 Leaf structure and limiting factors
Reading
Quiz · 5.2 Leaf structure and limiting factors
Quiz
Unit B6 · Human nutrition
6.1 Diet
Reading
Quiz · 6.1 Diet
Quiz
6.2 Digestive system and physical digestion
Reading
Quiz · 6.2 Digestive system and physical digestion
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6.3 Chemical digestion and absorption
Reading
Quiz · 6.3 Chemical digestion and absorption
Quiz
Unit B7 · Transport in plants
7.1 Xylem, phloem and water uptake
Reading
Quiz · 7.1 Xylem, phloem and water uptake
Quiz
7.2 Transpiration and translocation
Reading
Quiz · 7.2 Transpiration and translocation
Quiz
Unit B8 · Transport in animals
8.1 Circulatory systems and the heart
Reading
Quiz · 8.1 Circulatory systems and the heart
Quiz
8.2 Blood vessels and blood
Reading
Quiz · 8.2 Blood vessels and blood
Quiz
Unit B9 · Diseases and immunity
9.1 Pathogens, defences and immunity
Reading
Quiz · 9.1 Pathogens, defences and immunity
Quiz
Unit B10 · Gas exchange and respiration
10.1 Gas exchange in humans
Reading
Quiz · 10.1 Gas exchange in humans
Quiz
10.2 Aerobic and anaerobic respiration
Reading
Quiz · 10.2 Aerobic and anaerobic respiration
Quiz
Unit B11 · Excretion
11.1 Excretion and the kidney
Reading
Quiz · 11.1 Excretion and the kidney
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Unit B12 · Coordination and response
12.1 The nervous system and reflexes
Reading
Quiz · 12.1 The nervous system and reflexes
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12.2 Sense organs: the eye
Reading
Quiz · 12.2 Sense organs: the eye
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12.3 Hormones
Reading
Quiz · 12.3 Hormones
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12.4 Homeostasis
Reading
Quiz · 12.4 Homeostasis
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12.5 Tropic responses
Reading
Quiz · 12.5 Tropic responses
Quiz
Unit B13 · Drugs
13.1 Drugs, antibiotics and resistance
Reading
Quiz · 13.1 Drugs, antibiotics and resistance
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Unit B14 · Reproduction
14.1 Asexual and sexual reproduction
Reading
Quiz · 14.1 Asexual and sexual reproduction
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14.2 Sexual reproduction in plants
Reading
Quiz · 14.2 Sexual reproduction in plants
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14.3 Sexual reproduction in humans
Reading
Quiz · 14.3 Sexual reproduction in humans
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14.4 Sex hormones and STIs
Reading
Quiz · 14.4 Sex hormones and STIs
Quiz
Unit B15 · Inheritance
15.1 Chromosomes, genes and proteins
Reading
Quiz · 15.1 Chromosomes, genes and proteins
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15.2 Mitosis and meiosis
Reading
Quiz · 15.2 Mitosis and meiosis
Quiz
15.3 Monohybrid inheritance
Reading
Quiz · 15.3 Monohybrid inheritance
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15.4 Pedigrees, test crosses and sex linkage
Reading
Quiz · 15.4 Pedigrees, test crosses and sex linkage
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Unit B16 · Variation and selection
16.1 Variation and adaptive features
Reading
Quiz · 16.1 Variation and adaptive features
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16.2 Natural and artificial selection
Reading
Quiz · 16.2 Natural and artificial selection
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Unit B17 · Organisms and their environment
17.1 Energy flow, food chains and webs
Reading
Quiz · 17.1 Energy flow, food chains and webs
Quiz
17.2 Nutrient cycles
Reading
Quiz · 17.2 Nutrient cycles
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17.3 Populations
Reading
Quiz · 17.3 Populations
Quiz
Unit B18 · Human influences on ecosystems
18.1 Food supply and habitat destruction
Reading
Quiz · 18.1 Food supply and habitat destruction
Quiz
18.2 Pollution and conservation
Reading
Quiz · 18.2 Pollution and conservation
Quiz
Unit B19 · Biotechnology
19.1 Biotechnology
Reading
Quiz · 19.1 Biotechnology
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19.2 Genetic modification
Reading
Quiz · 19.2 Genetic modification
Quiz
Mock Exam Papers · 5 full sets with marking keys
Mock Set 1 — Papers 1, 2, 3, 4 and 6
Reading
Mock Set 2 — Papers 1, 2, 3, 4 and 6
Reading
Mock Set 3 — Papers 1, 2, 3, 4 and 6
Reading
Mock Set 4 — Papers 1, 2, 3, 4 and 6
Reading
Mock Set 5 — Papers 1, 2, 3, 4 and 6
Reading
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