Breathing

1
Breathing

• Learning Objectives
• To review the key learning relating to breathing
• To measure vital capacity and try to explain
  variations by discussing different effecting
  factors

2
What are ?

• Breathing rate
• Vital Capacity
• Tidal volume
• Inspiratory reserve volume
• Expiratory reserve volume

3
Looking at a Spirometer

• Draw a sketch of a spirometer and explain briefly
  how it is used.
• Why do spirometers contain soda lime?
• Why should spirometers be filled with medical
  oxygen not normal air?
• Do the question on p207/208 of Rowland

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