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Combined Science 0653 — Biology

Cambridge IGCSE Combined Science 0653 Biology: every syllabus unit with lessons and…

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Combined Science 0653 — Biology course cover

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Unit 1B1. Characteristics of Living Organisms and Cells19 lessonsUnit 2B2. Biological Molecules and Enzymes6 lessonsUnit 3B3. Plant Nutrition and Transport18 lessonsUnit 4B4. Human Nutrition and Digestion12 lessonsUnit 5B5. Transport in Humans23 lessonsUnit 6B6. Respiration and Gas Exchange9 lessonsUnit 7B7. Coordination, Response and Homeostasis26 lessonsUnit 8B8. Reproduction and Inheritance10 lessonsUnit 9B9. Organisms and their Environment9 lessons
✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice✅ 100% free📱 Phone & laptop🧠 Short, clear lessons🎯 Instant feedback🧪 Virtual lab📈 Progress you can see👪 Easy for parents to follow📝 Exam-style practice
1

Characteristics of Living Organisms and Cells

14 lessons
  1. 1.1Unit B1 overview: Characteristics of Living Organisms and CellsFree preview12 minStudy
  2. 1.2Characteristics of living organisms5 minStudy
  3. Characteristics of living organisms - Check yourself
  4. 1.3Cell structure5 minStudy
  5. Cell structure - Check yourself
  6. 1.4Size of specimens5 minStudy
  7. Size of specimens - Check yourself
  8. 1.5Diffusion5 minStudy
  9. Diffusion - Check yourself
  10. 1.6Osmosis5 minStudy
  11. Osmosis - Check yourself
  12. 1.7Active transport Core5 minStudy
  13. Active transport Core - Check yourself
  14. 1.8Active transport12 minStudy
  15. 1.9Organisation of Cells12 minStudy
  16. 1.10Magnification Formula12 minStudy
  17. 1.11Converting Between Units12 minStudy
  18. 1.12Diffusion in Biology12 minStudy
  19. 1.13Osmosis Experiments12 minStudy
  20. 1.14Osmosis in Plants12 minStudy
2

Biological Molecules and Enzymes

6 lessons
  1. 2.1Unit B2 overview: Biological Molecules and Enzymes12 minStudy
  2. 2.2Biological molecules5 minStudy
  3. Biological molecules - Check yourself
  4. 2.3Enzymes5 minStudy
  5. Enzymes - Check yourself
  6. 2.4Chemicals and Life12 minStudy
  7. 2.5Enzyme Investigations12 minStudy
  8. 2.6Enzymes and Temperature12 minStudy
3

Plant Nutrition and Transport

11 lessons
  1. 3.1Unit B3 overview: Plant Nutrition and Transport12 minStudy
  2. 3.2Photosynthesis5 minStudy
  3. Photosynthesis - Check yourself
  4. 3.3Leaf structure5 minStudy
  5. Leaf structure - Check yourself
  6. 3.4Xylem and phloem5 minStudy
  7. Xylem and phloem - Check yourself
  8. 3.5Water uptake5 minStudy
  9. Water uptake - Check yourself
  10. 3.6Transpiration5 minStudy
  11. Transpiration - Check yourself
  12. 3.7Chlorophyll12 minStudy
  13. 3.8Investigating the Need for Chlorophyll, Light and Carbon Dioxide12 minStudy
  14. 3.9Photosynthesis Chemical Equation12 minStudy
  15. 3.10Pathway Taken by Water12 minStudy
  16. 3.11Investigating Temperature and Wind Speed12 minStudy
4

Human Nutrition and Digestion

6 lessons
  1. 4.1Unit B4 overview: Human Nutrition and Digestion12 minStudy
  2. 4.2Diet5 minStudy
  3. Diet - Check yourself
  4. 4.3Digestive system5 minStudy
  5. Digestive system - Check yourself
  6. 4.4Digestion5 minStudy
  7. Digestion - Check yourself
  8. 4.5Diet and Deficiencies12 minStudy
  9. 4.6Hydrochloric Acid12 minStudy
5

Transport in Humans

15 lessons
  1. 5.1Unit B5 overview: Transport in Humans12 minStudy
  2. B5. Transport in Humans - Check yourself
  3. 5.2Circulatory systems5 minStudy
  4. Circulatory systems - Check yourself
  5. 5.3Heart5 minStudy
  6. Heart - Check yourself
  7. 5.4Blood vessels5 minStudy
  8. Blood vessels - Check yourself
  9. 5.5Blood5 minStudy
  10. Blood - Check yourself
  11. 5.6The Mammalian Heart12 minStudy
  12. 5.7Monitoring Activity of the Heart12 minStudy
  13. 5.8Investigating Effect of Physical Activity on Heart Rate12 minStudy
  14. 5.9Coronary Heart Disease12 minStudy
  15. 5.10Explaining the Effect of Physical Activity on Heart Rate12 minStudy
  16. 5.11Structure and Function of Blood Vessels12 minStudy
  17. 5.12Components of Blood12 minStudy
  18. 5.13Pathogens and Barriers12 minStudy
  19. 5.14Controlling the Spread of Disease12 minStudy
  20. 5.15Active Immunity12 minStudy
6

Respiration and Gas Exchange

8 lessons
  1. 6.1Unit B6 overview: Respiration and Gas Exchange12 minStudy
  2. 6.2Gas exchange in humans5 minStudy
  3. Gas exchange in humans - Check yourself
  4. 6.3Respiration5 minStudy
  5. Respiration - Check yourself
  6. 6.4Respiration in cells: aerobic and anaerobic12 minStudy
  7. 6.5Features of Gas Exchange Surfaces12 minStudy
  8. 6.6The Breathing System12 minStudy
  9. 6.7Investigating the Effects of Physical Activity on Breathing12 minStudy
  10. 6.8Respiration in Cells12 minStudy
7

Coordination, Response and Homeostasis

6 lessons
  1. 7.1Unit B7 overview: Coordination, Response and Homeostasis12 minStudy
  2. B7. Coordination, Response and Homeostasis - Check yourself
  3. 7.2Nervous control: neurones, reflex arcs and synapses12 minStudy
  4. 7.3Sense organs: structure and function of the eye12 minStudy
  5. 7.4Hormones and the endocrine system12 minStudy
  6. 7.5Homeostasis: control of body temperature and blood glucose12 minStudy
  7. 7.6Tropic responses in plants12 minStudy
  8. Unit practiceCombined Science - B7.1 Nervous control - Check yourselfCombined Science - B7.2 The eye - Check yourselfCombined Science - B7.3 Hormones - Check yourselfCombined Science - B7.4 Homeostasis - Check yourself
8

Reproduction and Inheritance

4 lessons
  1. 8.1Unit B8 overview: Reproduction and Inheritance12 minStudy
  2. 8.2Sexual reproduction in plants5 minStudy
  3. Sexual reproduction in plants - Check yourself
  4. 8.3Sexual reproduction in humans5 minStudy
  5. Sexual reproduction in humans - Check yourself
  6. 8.4Sexual Hormones in Humans12 minStudy
9

Organisms and their Environment

6 lessons
  1. 9.1Unit B9 overview: Organisms and their Environment12 minStudy
  2. 9.2Energy flow5 minStudy
  3. Energy flow - Check yourself
  4. 9.3Food chains and food webs5 minStudy
  5. Food chains and food webs - Check yourself
  6. 9.4Carbon cycle5 minStudy
  7. Carbon cycle - Check yourself
  8. 9.5The Importance of Biodiversity12 minStudy
  9. 9.6Endangered Species12 minStudy