Muscle tissue

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Across
  1. 1. system your body’s command center
  2. 5. allow mammals to move
  3. 6. fist-sized organ pumps blood throughout body
  4. 7. tissue that only exists in the heart
  5. 8. type of material consisting of specialized cells
Down
  1. 2. use nerve signals with nervous system
  2. 3. warm-blooded vertebrates with hair
  3. 4. vessels arteries, veins, capillaries
  4. 9. located in a lot of the hollow organs of body