IGCSEBiologyEdexcel2. Structure & Function in Living Organisms

2. Structure & Function in Living Organisms (Edexcel IGCSE Biology)

Get ready for your Edexcel IGCSE Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Levels of Organisation

  1. Levels of Organisation

Cell Structure

  1. Cell Structures
  2. Animal & Plant Cells: Similarities & Differences
  3. Importance of Cell Differentiation
  4. Stem Cells in Medicine: Advantages & Disadvantages

Biological Molecules

  1. Structure of Biological Molecules
  2. Practical: Food Tests
  3. Role of Enzymes
  4. Temperature & Enzyme Function
  5. Practical: Investigating Temperature & Enzyme Activity
  6. pH & Enzyme Function
  7. Practical: Investigating pH & Enzyme Activity

Movement of Substances Into & Out of Cells

  1. Diffusion, Osmosis & Active Transport
  2. Factors Affecting the Rate of Movement of Substances
  3. Practical: Investigating Diffusion & Osmosis

Nutrition

  1. The Process of Photosynthesis
  2. Factors Affecting the Rate of Photosynthesis
  3. Leaf: Structure & Adaptations
  4. Plants & Mineral Ions
  5. Practical: Investigating Photosynthesis
  6. Balanced Diet
  7. Human Alimentary Canal: Structure & Function
  8. Peristalsis
  9. Role of Digestive Enzymes
  10. Bile
  11. Small Intestine: Structure & Adaptations
  12. Practical: Energy Content of a Food Sample

Respiration

  1. Process of Respiration
  2. Aerobic & Anaerobic Respiration
  3. Practical: Investigating Respiration

Gas Exchange

  1. Gas Exchange in Plants
  2. Leaf Adaptations for Gas Exchange
  3. Gas Exchange: Night vs Day
  4. Practical: The Effect of Light on Gas Exchange in Plants
  5. Structure of the Breathing System
  6. Role of the Intercostal Muscles & Diaphragm
  7. Alveoli: Adaptations for Gas Exchange
  8. Smoking & the Gas Exchange System
  9. Practical: The Effect of Exercise on Breathing

Transport Systems

  1. The Need for a Transport System
  2. Role of the Xylem & Phloem
  3. Absorption of Water by Root Hair Cells
  4. Transpiration
  5. Practical: Factors Affecting Transpiration
  6. The Blood
  7. White Blood Cells & Immunity
  8. Vaccinations
  9. Platelets & Blood Clotting
  10. Structure & Function of the Heart
  11. Heart Rate & Exercise
  12. Risk Factors for Coronary Heart Disease
  13. Blood Vessels: Structure & Function
  14. Circulatory System: General Structure

Excretion

  1. Excretion in Plants
  2. Excretion in Humans
  3. Kidney: Excretion & Osmoregulation
  4. Structure of the Urinary System
  5. Nephron Structure
  6. Nephron Function
  7. ADH & Composition of Urine

Co-ordination & Response

  1. Response to Changes in the Environment
  2. Homeostasis
  3. Co-ordinating Response
  4. Response to Stimuli: Plants
  5. Nervous & Hormonal Control
  6. Human Nervous System
  7. Role of Neurotransmitters at Synapses
  8. Simple Reflex Arc
  9. The Human Eye: Structure
  10. The Human Eye: Function
  11. The Role of Skin in Temperature Regulation
  12. The Role of Hormones: Basic
  13. The Role of Hormones: Advanced

Levels of Organisation

  1. Exam Questions

Cell Structure

  1. Exam Questions

Biological Molecules

  1. Exam Questions

Movement of Substances Into & Out of Cells

  1. Exam Questions

Nutrition

  1. Exam Questions

Respiration

  1. Exam Questions

Gas Exchange

  1. Exam Questions

Transport Systems

  1. Exam Questions

Excretion

  1. Exam Questions

Co-ordination & Response

  1. Exam Questions
  1. Levels of Organisation
  2. Cell Structure
  3. Biological Molecules
  4. Movement of Substances Into & Out of Cells
  5. Nutrition
  6. Respiration
  7. Gas Exchange
  8. Transport Systems
  9. Excretion
  10. Co-ordination & Response
Edexcel IGCSE Biology Past Papers