Across
- 1. the red planet
- 4. a chemical substance that has a sour taste
- 6. flying mammal
- 9. a set of body bones
- 10. innermost part of bones
- 11. water in the solid state
- 12. a state of matter that is neither liquid nor solid
Down
- 2. animal with 8 legs and 2 body parts
- 3. group og animals dolphins belong to
- 5. driest place on earth
- 7. strongest muscle in the body
- 8. what carries oxygen to all body organs
- 10. the galaxy we live in