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Questions and Answers
Which type of breathing involves the contraction and relaxation of the diaphragm?
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?
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?
What is the primary mechanism of gas exchange?
- Active transport
- Diffusion (correct)
- Osmosis
- Photosynthesis
