MCQ
Identify $X, Y, Z$ from figure


- A$X-$ $RBC,$ $Y-$ Blood capillary, $Z-$ Air
- ✓$X-$ Blood Capillary, $Y-$ Basement substance $Z-$ Alveolar wall
- C$X-$ Air, $Y-$ Alveolar cavity, $Z-RBC $
- D$X-$ Basement substance, $Y-$ Air, $Z-RBC$

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