Across
- 6. transports blood
- 8. in a bulb
- 11. an area of darkness
- 12. helps stop bleading
- 14. a machine powered by electricity
- 16. has hair and give birth
- 17. gentle and happy
- 18. has electicity
- 20. something that becomes better or worse
Down
- 1. child of parents
- 2. getting genes from your family
- 3. man's best friend
- 4. doesn't have a backbone
- 5. can fly and have wings
- 7. remains of old animals
- 9. has backbone
- 10. pumps blood
- 13. there is a circuit in it and produce light
- 15. getting used to a place
- 19. king of the jungle