Across
- 3. Measures lung function
- 6. Measures blood sugar levels
- 11. Records heart activity over 24 hours
- 13. Examines the inside of the ear
- 14. Creates 3D X-ray images of the body
- 15. Measures electrical activity in the brain
- 17. Uses dye to view blood vessels
- 18. Tests urine for health problems
Down
- 1. Measures bone density
- 2. Examines the back of the eye
- 4. Records the electrical activity of the heart
- 5. Measures body temperature
- 7. Uses magnets to create detailed body images
- 8. Uses sound waves to see inside the body
- 9. Uses a camera to look inside the body
- 10. Shows bones using radiation
- 12. Shows how organs are working
- 16. Removes a small tissue sample for testing