Across
- 4. animal used for meat.
- 7. complete set of bones.
- 8. warm-blooded animal with ability to fly.
- 9. long extension of the skin of a chicken that allows flight.
- 10. the place where bones come together.
Down
- 1. makes the wing move and is what we eat.
- 2. part of a chicken that is similar to a human's arm.
- 3. chickens and people both have this bone.
- 5. attaches muscles to bone.
- 6. in birds these are hollow to make them lighter when they fly.
- 9. why are chickens produced?