Across
- 5. brain box
- 6. structural and functional units of kidneys.
- 8. common frog
- 10. summer sleep
- 12. membrane covering heart
- 13. The protective colouration seen animals such as frog.
Down
- 1. fertilisation in frog
- 2. a small median chamber that is used to pass feacal matter, urine and sperms to the exterior.
- 3. ear of the frog
- 4. winter sleep
- 7. cold blooded animals
- 9. larva of frog
- 11. partially digested food