Worm anatomy

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Across
  1. 3. large segment in middle of worm that secretes a cocoon for eggs
  2. 6. anterior opening on organism for food intake
  3. 7. relay messages between body and brain
  4. 9. used for mechanical digestion,grinding food into smaller pieces
  5. 10. an exterior opening of microscopic organism through which undigested food waste,water,or gas are expelled for the body
Down
  1. 1. Back or top,darker in color
  2. 2. Secretes enzymes for chemical digestion, also necessary for the absorption of nutrients into blood
  3. 4. storage sac for food
  4. 5. ventral bristles for tractions
  5. 8. pumps blood