Organs Systems

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Across
  1. 4. Exchanges gases between the air and blood
  2. 6. Produces eggs and sperm
  3. 7. Supports sensory receptors
  4. 11. Eliminates unabsorbed materials
Down
  1. 1. Defends the body against infection
  2. 2. Transports substances throughout the body
  3. 3. Removes wastes from blood
  4. 5. Stores inorganic salts
  5. 8. Stimulates muscles and glands
  6. 9. Controls metabolic activities of the body structure
  7. 10. Maintains posture