/ Cambridge (CIE) O Level Biology / Videos Videos Exam code: 5090 59 lessons for this course, ordered by section and topic. Each tile streams on demand from the CDN, so nothing downloads until you press play.
1. Cells 1.1 Cell Structure & Function2 2.1.1 CIE IGCSE Structure of Animal & Plant Cells 17 MB 2.1.1 CIE IGCSE Structure of Bacterial Cells 10.0 MB 1.2 Specialised Cells, Tissues & Organs1 2.1.3 CIE IGCSE Magnification Calculations 13 MB 2. Classification 2.1 Concept & Use of a Classification System1 1.1.2 CIE IGCSE Classification.mp4 13 MB 3. Movement into & out of Cells 3.1 Diffusion & Osmosis2 3.1.1 CIE IGCSE Diffusion 13 MB 3.1.2 CIE IGCSE Factors that Influence Diffusion 15 MB 4. Biological Molecules 4.1 Biological Molecules2 4.1.1 CIE IGCSE Biological Molecules 11 MB 4.1.2 CIE IGCSE Food Tests 12 MB 5. Enzymes 5.2 Effects of Temperature & pH2 5.1.2 CIE IGCSE Enzyme Investigations 17 MB 5.1.4 AQA GCSE Enzymes & Temperature 16 MB 6. Plant Nutrition 6.1 Photosynthesis5 6.1.1 CIE IGCSE Photosynthesis The Reaction 12 MB 6.1.5 CIE IGCSE Investigating the Need for Carbon Dioxide 12 MB 6.1.5 CIE IGCSE Investigating the Need for Chlorophyll 10 MB 6.1.5 CIE IGCSE Investigating the Need for Light 9.5 MB 6.1.9 Edexcel GCSE Photosynthesis Limiting Factors 12 MB 6.2 Leaf Structure1 6.1.10 CIE IGCSE Leaf Structure 19 MB 7. Transport in Flowering Plants 7.2 Transpiration & Translocation4 8.1.4 CIE IGCSE Transpiration 12 MB 8.1.5 CIE IGCSE Investigating Transpiration 15 MB 8.1.6 CIE IGCSE Transpiration Stream 8.5 MB 8.1.8 CIE IGCSE Translocation 9.0 MB 8. Human Nutrition 8.1 Diet1 7.1.1 CIE IGCSE Balanced Diet 13 MB 8.2 Human Digestive System5 24 EDX IGCSE Peristalsis 9.2 MB 7.1.12 CIE IGCSE The Role of Bile 8.7 MB 7.1.2 CIE IGCSE The Human Digestive System 16 MB 7.1.4 CIE IGCSE Types of Human Teeth 11 MB 7.1.8 CIE IGCSE Enzymes in Digestion 9.6 MB 9. Human Gas Exchange 9.1 Human Gas Exchange1 11.1.1 CIE IGCSE Feature of gas Exchange Surfaces 14 MB 11. Transport in Humans 11.2 The Heart2 9.1.6 CIE IGCSE Coronary Heart Disease 9.8 MB 9.1.9 EDX IGCSE Effects of Exercise 9.7 MB 11.4 Blood1 9.1.14 CIE IGCSE Blood 10 MB 12. Disease & Immunity 12.1 Disease1 10.1.1 EDX GCSE Human Defences Against Disease 16 MB 12.2 Antibiotics1 15.1.1 EDX GCSE Antibiotics 9.0 MB 12.3 Immunity2 10.1.4 CIE IGCSE Antigens & Antibodies 13 MB 10.1.5 CIE IGCSE Vaccination 10 MB 14. Coordination & Control 14.1 Mammalian Nervous System1 14.1.3 CIE IGCSE The Reflex Arc 11 MB 14.3 Mammalian Hormones2 14.1.7 CIE IGCSE Adrenaline 13 MB 14.1.7 CIE IGCSE The Endocrine System 17 MB 14.5 Temperature Control1 14.1.10 EDX IGCSE Thermoregulation.mp4 16 MB 14.6 Blood Glucose Control1 14.1.8 CIE IGCSE Controlling Blood Glucose 11 MB 15. Coordination & Response in Plants 15.1 Coordination & Response in Plants2 14.1.11 CIE IGCSE Investigating Tropisms 15 MB 14.1.11 CIE IGCSE Plant Tropisms 8.1 MB 16. Development of Organisms & Continuity of Life 16.1 Nuclear Division2 17.1.6 EDX GCSE Mitosis 17 MB 17.1.7 EDX GCSE Meiosis 11 MB 16.3 Sexual Reproduction in Plants4 16.1.3 CIE IGCSE Factors Affecting Germination 15 MB 16.1.3 CIE IGCSE Insect-Pollinated Flowers 15 MB 16.1.3 CIE IGCSE Pollination & Fertilisation 11 MB 16.1.3 CIE IGCSE Wind-Pollinated Flowers 8.0 MB 16.4 Sexual Reproduction in Humans4 16.1.4 CIE IGCSE Gametes & Fertilisation 15 MB 16.1.4 CIE IGCSE The Female Reproductive System 13 MB 16.1.4 CIE IGCSE The Male Reproductive System 9.6 MB 16.1.5 CIE IGCSE The Menstrual Cycle 11 MB 17. Inheritance 17.3 Inheritance2 17.1.2 CIE IGCSE Inheritance of Sex 12 MB 17.1.8 CIE IGCSE Inheritance Key Terms 15 MB 17.4 Selection3 18.1.4 CIE IGCSE Antibiotic Resistance 12 MB 18.1.4 CIE IGCSE Natural Selection 13 MB 18.1.5 CIE IGCSE Selective Breeding 11 MB 18. Biotechnology & Genetic Modification 18.2 Genetic Modification1 21.1.3 EDX IGCSE Genetic Modification 15 MB 19. Relationships of Organisms with one another & with the Environment 19.1 Energy Flow2 19.1.3 CIE IGCSE Food Pyramids 12 MB 19.1.4 CIE IGCSE Pyramids of Energy Extended 12 MB