Human Body Systems

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Across
  1. 2. organ involved in thinking, memory, and processing information
  2. 4. system responsible for suppling oxygen to the body
  3. 5. organ where food is broken down with acids and enzymes
  4. 6. system responsible for breaking down food for absorption of nutrients
Down
  1. 1. primary organ of the respiratory system
  2. 3. system responsible for transmitting signals between parts of the body