ASBiologyAQA3. Exchange & Transport

3. Exchange & Transport (AQA AS Biology)

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3.1 Adaptations for Gas Exchange

  1. 3.1.1 Surface Area to Volume Ratio
  2. 3.1.2 Agar Blocks Practical
  3. 3.1.3 Adaptation to Facilitate Exchange
  4. 3.1.4 SA:V Ratio & Metabolic Rate
  5. 3.1.5 Adaptations of Gas Exchange Surfaces
  6. 3.1.6 Gas Exchange vs Water Loss

3.2 Human Gas Exchange

  1. 3.2.1 The Human Gas Exchange System
  2. 3.2.2 Dissecting the Gas Exchange System
  3. 3.2.3 Looking at the Gas Exchange under the Microscope
  4. 3.2.4 Three-way Taps
  5. 3.2.5 The Alveolar Epithelium
  6. 3.2.6 Ventilation & Gas Exchange
  7. 3.2.7 PVR
  8. 3.2.8 The Effects of Lung Disease
  9. 3.2.9 Pollution & Smoking
  10. 3.2.10 Evaluating Data on Lung Disease
  11. 3.2.11 Correlations & Causal Relationships - The Lungs

3.3 Digestion & Absorption

  1. 3.3.1 Digestion
  2. 3.3.2 Enzymes in Digestion
  3. 3.3.3 Enzyme Rate Practical
  4. 3.3.4 Mechanisms of Absorption
  5. 3.3.5 Visking Tubing Practical

3.4 Mass Transport in Animals

  1. 3.4.1 Features of Mass Transport
  2. 3.4.2 Haemoglobin & Oxygen
  3. 3.4.3 The Role of Haemoglobin
  4. 3.4.4 The Oxygen Dissociation Curve
  5. 3.4.5 The Bohr Shift
  6. 3.4.6 Cardiac Output
  7. 3.4.7 Animal Adaptations For Their Environment

3.5 The Circulatory System in Animals

  1. 3.5.1 Mammalian Circulation
  2. 3.5.2 The Human Heart
  3. 3.5.3 The Walls of the Heart
  4. 3.5.4 The Cardiac Cycle
  5. 3.5.5 Investigating Heart Rate
  6. 3.5.6 Blood Vessels
  7. 3.5.7 Capillaries & Tissue Fluid
  8. 3.5.8 Interpreting Data on the Cardiovascular System
  9. 3.5.9 Correlations & Causal Relationships - The Heart
  10. 3.5.10 Required Practical: Dissecting Mass Transport Systems

3.6 Mass Transport in Plants

  1. 3.6.1 Water Transport in the Xylem
  2. 3.6.2 Transpiration
  3. 3.6.3 Potometer
  4. 3.6.4 Movement in the Phloem
  5. 3.6.5 The Sucrose Loading Mechanism
  6. 3.6.6 The Mass Flow Hypothesis
  7. 3.6.7 Data on the Mass Flow Hypothesis
  8. 3.6.8 Tracer & Ringing Experiments

3.1 Adaptations for Gas Exchange

  1. Exam Questions

3.2 Human Gas Exchange

  1. Exam Questions

3.3 Digestion & Absorption

  1. Exam Questions

3.4 Mass Transport in Animals

  1. Exam Questions

3.5 The Circulatory System in Animals

  1. Exam Questions

3.6 Mass Transport in Plants

  1. Exam Questions
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