Across
- 3. The single tube that drains the contents of the bladder outside
- 5. The external parts of the ears
- 8. Directional terminology used to represent 'towards the midline of the animal'
- 9. The superficial layer of the skin
- 11. Outer covering on a reptiles skin
- 12. Directional terminology used to represent 'towards the tail end of the animal
- 15. This body system provides a protective layer to the body
- 16. Reptiles and birds have a digestive system which ends in this
- 17. Term used to describe the chest of a dog or cat
- 18. These vessels carry blood away from the heart
- 19. Protein-rich fluid in blood is called
- 20. Produce milk to feed their young
Down
- 1. Fleshy growths below the beak and neck of a chicken
- 2. The shortened facial structure of a dog
- 4. Species in this group are only found in Australia
- 6. The sternum in birds is called this
- 7. The clear outer covering of the eyeball
- 10. Have a pouch where their young develop
- 12. The first vertebrae that connects directly to the skull
- 13. Birds do not have this in their respiratory system
- 14. Airway running down the neck into the thoratic cavity
- 16. Type of muscle found solely in the heart