worm crossword puzzle

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Across
  1. 1. a band that aids in reproduction by secreting mucus
  2. 2. worms have this kind of symmetry
  3. 3. an organism that has both male and female reproductive organs that are functioning
  4. 6. one of the habitats of worms
  5. 7. blood leaves the vessels
  6. 8. helps remove nitrogen waste from Earthworms
  7. 10. development of a head
  8. 12. skeletal system of worms
  9. 14. stores food before it goes into the gizzard
Down
  1. 1. blood stays in the vessels
  2. 4. group of nerves in the head of an organism
  3. 5. It is the outer layer of annelids that protects them
  4. 9. the excretory system of Platyhelminthes and Nematoda
  5. 11. grinds up food
  6. 13. the respiratory system of worms