Muscular system cross word

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Across
  1. 4. the muscle group that lines organs
  2. 5. muscle on the back of your upper arm
  3. 6. muscles you cannot control
  4. 7. the muscles that are in the walls of your heart
Down
  1. 1. chronic muscle weakness
  2. 2. connects muscle to bone
  3. 3. muscles you can control
  4. 4. the muscle group that controls skeletal movements