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1.2 Gaseous Exchange

General Science · Grade 11 · 14 lessons in the design

What you will be able to do

  • identify the structures of the human respiratory system
  • relate the structures of the human respiratory system to their functions
  • investigate the mechanisms of breathing in human beings
  • explain factors that affect the rate of breathing in human beings
  • describe the diseases of the human respiratory system, their prevention and control for healthy living
  • appreciate the role of gaseous exchange in human beings

Key questions

“Why is gaseous exchange significant in human beings?”

Lessons

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  1. Gaseous exchange
    40 min · 1 practice tasks · quiz
    Explain gaseous exchange and why it is needed.
  2. Structures of the respiratory system
    40 min · 1 practice tasks · quiz
    Identify the structures of the human respiratory system.
  3. Adaptations of the respiratory system
    40 min · 1 practice tasks · quiz
    Relate the structures of the respiratory system to their functions.
  4. Gaseous exchange across the alveoli
    40 min · 1 practice tasks · quiz
    Explain how gases are exchanged across the alveoli.
  5. The mechanism of breathing
    40 min · 1 practice tasks · quiz
    Investigate the mechanism of breathing in human beings.
  6. Demonstrating breathing with a model
    40 min · 1 practice tasks · quiz
    Demonstrate the breathing mechanism using a model.
  7. Regulation of breathing
    40 min · 1 practice tasks · quiz
    Explain how breathing is regulated in the body.
  8. Factors affecting the rate of breathing
    40 min · 1 practice tasks · quiz
    Explain the factors that affect the rate of breathing.
  9. Breathing and lung capacity
    40 min · 1 practice tasks · quiz
    Describe tidal volume and vital capacity.
  10. Bronchitis and pneumonia
    40 min · 1 practice tasks · quiz
    Describe bronchitis, pneumonia, their prevention and control.
  11. Asthma
    40 min · 1 practice tasks · quiz
    Describe asthma, its causes, prevention and control.
  12. Tuberculosis
    40 min · 1 practice tasks · quiz
    Describe tuberculosis, its prevention and control.
  13. Preventing respiratory diseases
    40 min · 1 practice tasks · quiz
    Describe the prevention and control of respiratory diseases and create awareness.
  14. Review of gaseous exchange
    40 min · 1 practice tasks · quiz
    Review the respiratory system, breathing, factors and diseases.