PUZZLE - 9

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Across
  1. 4. The body’s ability to resist infection and disease.
  2. 5. The death of tissue due to a lack of blood.
  3. 7. Inadequate blood supply to an organ or part of the body
Down
  1. 1. The lining of the uterus.
  2. 2. The outer layer of the wall of the heart.
  3. 3. An abnormal buildup of fluid in a joint or tissue.
  4. 4. A hormone made by the pancreas that controls the amount of glucose
  5. 6. The calf bone.