Respiratory System Quiz: Diaphragmatic Breathing and Gas Exchange

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Questions and Answers

Which type of breathing involves the contraction and relaxation of the diaphragm?

  • Costal breathing
  • Diaphragmatic breathing (correct)
  • Lung breathing
  • Chest breathing

What happens to the oxygen in the alveolus?

  • It is absorbed into the capillaries
  • It is exhaled
  • It moves into the alveolus
  • It moves out of the alveolus (correct)

What is the primary mechanism of gas exchange?

  • Active transport
  • Diffusion (correct)
  • Osmosis
  • Photosynthesis

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