Across
- 3. allows us to sense stimuli
- 6. ingests food and breaks it down
- 7. provides stability and mechanical support
- 9. larger of the two main cavities
- 11. takes oxygen from the air for body use
Down
- 1. towards the mid-line of the body
- 2. towards the back of the body
- 4. protects body from pathogens
- 5. filter dangerous substances out of bloodstream
- 8. tissues that send chemical messages
- 10. drainage system of the body