Human Body Parts and systems

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Across
  1. 4. The system responsible for breathing.
  2. 5. The main organ of the nervous system.
  3. 7. The framework of bones that supports the body.
  4. 9. These work with bones to move the body.
  5. 10. The organ that pumps blood through the circulatory system.
Down
  1. 1. The system that breaks down food.
  2. 2. Transmit signals throughout the body.
  3. 3. Blood vessels that carry blood back to the heart.
  4. 6. Part of the digestive system where food is mixed with acid.
  5. 8. Main organs of the respiratory system.