Chapter 25 Vocabulary

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Across
  1. 2. tubelike muscular organ
  2. 5. blood is confined to vessels as it moves through the body
  3. 8. where food and soil is still is stored until they pass the gizzard
  4. 10. a group of nerve cell bodies that coordinates incoming and outgoing nerve signals
  5. 13. a process in which body parts that are missing because of damage or predation can be regrown
  6. 15. parts of the mantle that consists of a system of filamentous projections that are like the fringes on a blanket
  7. 16. a knob-shaped structure with hooks and suckers that attach to the intestinal lining of a host
  8. 18. a membrane that surrounds the internal organs of the mollusk
Down
  1. 1. mollusks get rid of metabolic wastes from cellular processes through this
  2. 3. behind the scolex of the worm are a series of individual sections
  3. 4. skeleton fluid within a closed space that provides rigid support for muscles to work against
  4. 5. a thickend band of segments
  5. 6. blood is pumped out of vessels into open spaces surrounding the body organs
  6. 7. a disease that can be contracted by eating raw or uncooked pork or pork products of wild game infected with larvae of Trichinella
  7. 9. taking water into the mantle cavity and expel it through this tube
  8. 11. a muscular sac containing hard particles that help grind soil and food before they pass into the intestine
  9. 12. a cilia-lined, bulblike cell that moves water and certain substances into excretory tubules for elimination from the body
  10. 14. a tongue like organ with rows of teeth
  11. 17. tiny bristles that push into the soil and anchor the worm during movement