Spelling Revision

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Across
  1. 3. the only muscle connected on one end
  2. 4. unclear
  3. 5. sudden
  4. 8. somebody who plays music
Down
  1. 1. keeps happening
  2. 2. loud
  3. 3. amazing
  4. 6. mucus coming up from the lungs
  5. 7. is an old form of chemistry