Earthworms

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Across
  1. 3. Space where sperm flows between worms during mating
  2. 7. The ventral nerve cord attaches to this
  3. 9. First part after the mouth in the digestive system
  4. 10. Where the digestive system starts
  5. 11. Release eggs
  6. 12. Responsible for storing food
  7. 13. Enlarged structure that appears smooth
  8. 14. Slightly larger end of the worm
  9. 15. Earthworms are __________, or segmented worms that have bodies made up of ring-like structures
  10. 16. What the clitellum secretes for mating purposes
Down
  1. 1. Number of aortic arches that earthworm's have
  2. 2. Type of vesicle used for producing sperm
  3. 4. Responsible for grinding food
  4. 5. Lighter and more flattened side of the worm's body
  5. 6. Darker and more rounded side of the worm's body
  6. 8. The dorsal blood vessel runs along the _________
  7. 9. Fleshy bump over the worm's mouth