Across
- 3. when the germs get into your body and make you ill
- 4. an organ that fish have to allow them to breathe
- 6. when muscles get longer and thinner. Muscles feel soft when they relax
- 9. an animal that has a backbone or spine
- 10. the job or use of something
- 12. the bones of the chest
- 13. the bone that joins the leg to the upper part of the body
- 14. the bones inside our body that are joined together to form a frame
- 15. parts of the body that are joined to bones and allow us to move
- 16. very tiny living things that can cause diseases
Down
- 1. injections or other medicines that stop us from getting a disease
- 2. an animal that has a backbone or spine
- 5. information that tells us how to do something
- 7. substances that we use to help us get better when we are ill
- 8. the skull bone that moves when we eat or talk
- 11. parts inside the body that do different jobs