The diagram illustrates three features present in tissues of the gas exchange system. Which tubes of the gas exchange system might be shown at position P in the diagram?
- Abronchus ✓, bronchiole ✓, trachea ✓
- Bbronchus ✓, bronchiole ✓, trachea \times
- Cbronchus ✓, bronchiole \times, trachea ✓
- Dbronchus \times, bronchiole ✓, trachea ✓