A LevelBiologyAQAExchange & Transport

Exchange & Transport (AQA A Level Biology)

Get ready for your AQA A Level 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.

Adaptations for Gas Exchange

  1. Surface Area to Volume Ratio
  2. Agar Blocks Practical
  3. Adaptation to Facilitate Exchange
  4. SA:V Ratio & Metabolic Rate
  5. Adaptations of Gas Exchange Surfaces
  6. Gas Exchange vs Water Loss

Human Gas Exchange

  1. The Human Gas Exchange System
  2. Dissecting the Gas Exchange System
  3. Looking at the Gas Exchange under the Microscope
  4. Three-way Taps
  5. The Alveolar Epithelium
  6. Ventilation & Gas Exchange
  7. PVR
  8. The Effects of Lung Disease
  9. Pollution & Smoking
  10. Evaluating Data on Lung Disease
  11. Correlations & Causal Relationships - The Lungs

Digestion & Absorption

  1. Digestion
  2. Enzymes in Digestion
  3. Enzyme Rate Practical
  4. Mechanisms of Absorption
  5. Visking Tubing Practical

Mass Transport in Animals

  1. Features of Mass Transport
  2. Haemoglobin & Oxygen
  3. The Role of Haemoglobin
  4. The Oxygen Dissociation Curve
  5. The Bohr Shift
  6. Cardiac Output
  7. Animal Adaptations For Their Environment

The Circulatory System in Animals

  1. Mammalian Circulation
  2. The Human Heart
  3. The Walls of the Heart
  4. The Cardiac Cycle
  5. Investigating Heart Rate
  6. Blood Vessels
  7. Capillaries & Tissue Fluid
  8. Interpreting Data on the Cardiovascular System
  9. Correlations & Causal Relationships - The Heart
  10. Required Practical: Dissecting Mass Transport Systems

Mass Transport in Plants

  1. Water Transport in the Xylem
  2. Transpiration
  3. Potometer Practical
  4. Movement in the Phloem
  5. The Sucrose Loading Mechanism
  6. The Mass Flow Hypothesis
  7. Data on the Mass Flow Hypothesis
  8. Tracer & Ringing Experiments

Adaptations for Gas Exchange

  1. Exam Questions

Human Gas Exchange

  1. Exam Questions

Digestion & Absorption

  1. Exam Questions

Mass Transport in Animals

  1. Exam Questions

The Circulatory System in Animals

  1. Exam Questions

Mass Transport in Plants

  1. Exam Questions
AQA A Level Biology Past Papers