IGCSEScienceEdexcelScience (Double Award)Biology2. Structure & Function in Living Organisms

2. Structure & Function in Living Organisms (Edexcel IGCSE Science (Double Award))

Get ready for your Edexcel IGCSE Science (Double Award) 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

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

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

Respiration

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

Gas Exchange

  1. Structure of the Breathing System
  2. Role of the Intercostal Muscles & Diaphragm
  3. Alveoli: Adaptations for Gas Exchange
  4. Smoking & the Gas Exchange System
  5. Practical: The Effect of Exercise on Breathing

Transport Systems

  1. The Need for a Transport System
  2. Role of the Xylem & Phloem
  3. The Blood
  4. White Blood Cells & Immunity
  5. Structure & Function of the Heart
  6. Heart Rate & Exercise
  7. Risk Factors for Coronary Heart Disease
  8. Blood Vessels: Structure & Function
  9. Circulatory System: General Structure

Excretion

  1. Excretion in Plants
  2. Excretion in Humans

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

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