CHAPTER 1 LESSON 4 CONT.

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Across
  1. 3. IS A SOURCE OF NATURAL RADIATION THAT CAN CAUSE SKIN CANCER.
  2. 5. IS THE MOST SERIOUS TYPE OF ARTHRITIS.
  3. 10. SECOND MOST COMMON TYPE OF ARTHRITIS.
Down
  1. 1. IS A GROUP OF PAINFUL DISEASES THAT RESULT IN SWELLING OF THE JOINTS AND RUBBING ON THE BONES.
  2. 2. A TENDENCY TO CANCER MAY RUN IN SOME FAMILIES.
  3. 4. A CHRONIC DISEASE IN WHICH THE BODY DOES NOT PRODUCE OR PROPERLY USE INSULIN.
  4. 6. SUBSTANCES THAT ARE HARMFUL TO HUMAN HEALTH OR TO THE ENVERONMENT.
  5. 7. CAN CAUSE CANCER
  6. 8. ABNORMAL GROWTH OF CELLS FORMS A MASS OF TISSUE.
  7. 9. A CUSHION IN THE JOINTS, USUALLY WEARS AWAY.