Across
- 2. Joint present in backbone
- 4. Organ protected by Rib-Cage
- 8. Process of taking in oxygen and giving out carbon dioxide
- 9. Allows light to enter the eye
Down
- 1. Sense organ of cocktoach
- 3. Internal organ
- 5. Screen of the eye
- 6. Joint present in wrist
- 7. Longest bone in our body
- 8. Skull protects this organ