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Key Questions

  • What does an X-ray illustrate?
  • What are some of the limitations to X-ray technology for use in
    diagnosing heart and lung ailments?


  • X-rays
  • light source (window or light)


1. Hold up the X-rays to a light source. Locate the heart and lungs.

2. Make a diagnosis about the health of the patient based on your observations.

3. Observe the size and shape of the heart and lungs. Are they normal in size?

4. What surprises you about the X-rays?



See how a fluoroscope works and find information about electromagnetic radiation and CAT scans. Provided by Physics2000 through Colorado educational systems.


An activity complete with information about x-rays, the images needed for completing the assignment, and questions for students.


Methodist Health Care System's page contains an explanation of what x-rays are and how they are performed. The page also provides links to many x-ray related topics.

| lesson 1: Pulse of Life| lesson 2: Keeps on Pumpin' | lesson 3: Under Pressure | lesson 4: Sounds of the Heart | lesson 4a: Valves and Pumps | lesson 5: Lub Dub (valves) | lesson 5a: The Heart as a Pump | lesson 6: Go With the Flow | lesson 7: Lung Model | lesson 8: Ins and Outs of Respiration | lesson 9: Catch Your Breath | lesson 10: O2 CO2 Skit | lesson 11: X-Rays |

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