NGSA body systems

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Across
  1. 1. Involuntary muscles in the stomach
  2. 7. Stomach area muscles
  3. 8. Part of bone that makes blood cells
  4. 9. Large chest muscles
  5. 11. Voluntary muscles attached to bones
  6. 12. Thin, flat bones that protect the chest
  7. 15. Framework that supports the body
  8. 16. Place where two bones meet
  9. 18. Longest bone in the body
  10. 19. Muscle pair in the upper arm
  11. 20. Protects the brain
Down
  1. 2. Connects muscle to bone
  2. 3. Joints in the knee and elbow
  3. 4. Muscles at the back of the thigh
  4. 5. Muscle found only in the heart
  5. 6. Backbone that protects the spinal cord
  6. 10. Connects bone to bone
  7. 13. Large thigh muscles in the front
  8. 14. Joints in the shoulder and hip
  9. 17. Opposite muscle to biceps