Skeletal/Muscular Systems

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Across
  1. 2. signal that causes an animal to react in some way
  2. 10. found in snakes, bats, and mice
  3. 11. found in crabs, scallops, and shrimp
  4. 12. the type of neuron that pass information between neurons
  5. 13. Shedding of an exoskeleton to produce a new one
  6. 15. organized grouping of neurons in the head of an animal with bilateral symmetry
  7. 17. Group of organs that have the same function
  8. 18. Group of cells that have the same function
Down
  1. 1. Bones and cartilage contain living _______
  2. 3. the electrical message in which information travels through neurons
  3. 4. tissues that contract and relax to create movement
  4. 5. the type of neuron that carries information to muscles and other organs
  5. 6. sea stars have endoskeletons made of plates of ______
  6. 7. the type of neuron that detect stimuli
  7. 8. Most vertebrates have skeletons made up of this material
  8. 9. a place where two or more parts of a skeleton meet
  9. 14. Group of tissues that have the same function
  10. 16. Sharks have skeletons made of this