Fish Anatomy

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Across
  1. 2. organ used for buoyancy; swim ___
  2. 5. detects vibrations; ___ line system
  3. 6. covering on most fish
  4. 10. sends blood to gills, heart chamber
  5. 11. receives blood from body, heart chamber
Down
  1. 1. tail fin
  2. 3. “cold-blooded”
  3. 4. absorb oxygen from water
  4. 7. top fin of fish
  5. 8. gill covering
  6. 9. fins on the sides of fish, used for steering