Across
- 7. Main organ of circulatory system.
- 9. One of the three tiny bones in the middle ear.
- 11. The coloured part of the eye.
- 13. Gas produced in the body and breathed out.
- 14. Main organ of respiration.
- 15. Part of the skeleton housing lungs and heart.
- 16. Organ that controls the body’s functions.
- 17. Part of the eye which allows light in.
- 20. Tubes carrying air into the lungs.
- 22. Muscle which bends the leg.
- 23. Sound makes this vibrate so that we can hear.
- 25. Muscle which straightens the arm.
- 27. Surface at the back of the eye which captures image.
- 28. Gas absorbed from air in respiration.
Down
- 1. Bone of the upper leg.
- 2. Carries signals from the eye to the brain.
- 3. Structures in the inner ear that help us to balance.
- 4. Blood vessel carrying blood towards the heart.
- 5. Muscle which straightens the leg.
- 6. ’Bunch of grapes’ like structure in the lungs.
- 8. Scientific name for the windpipe.
- 10. Part of the body providing support, protection and enabling movement.
- 12. One of the three tiny bones in the middle ear.
- 18. One of the three tiny bones in the middle ear.
- 19. Blood vessel carrying blood away from the heart.
- 21. Muscle which bends the arm.
- 22. Bone of the upper arm.
- 24. Contracts to make bones move.
- 26. Structure in the inner ear that looks a bit like a snail.