Skeletal and Muscular System

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Across
  1. 2. bone that protects the brain
  2. 3. a type of involuntary muscle found in the heart.
  3. 5. a type of involuntary muscle found in the stomach
  4. 6. longest bone in the human body
  5. 8. a type of voluntary muscle attached to bones.
  6. 9. place where ribs attach
Down
  1. 1. muscles that you control
  2. 4. muscles that work without your knowledge
  3. 5. protects the spinal cord
  4. 7. bones that protect the heart and lungs