Medical Terminology Crossword

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Across
  1. 4. top layer of skin
  2. 5. chamber of the heart
  3. 6. connects muscle to bone
  4. 7. region of sheath around axon of nerve
Down
  1. 1. high blood pressure
  2. 2. removal of waste material
  3. 3. organ of excretion
  4. 4. blockage in a blood vessel