Body systems crossword

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Across
  1. 4. lower portion of the brain stem
  2. 6. framework of an animal or human
  3. 8. the breastbone
  4. 9. the microscopic air sacs found in the lungs
  5. 10. tissue that covers the ends of bones in a joint
  6. 11. the thick liquid made of partially digested food in the stomach
  7. 12. tissue that attaches muscle to bone
  8. 13. a cranial nerve
Down
  1. 1. muscle that separates the stomach from the small intestine
  2. 2. the tiny fingerlike projections that line the surface of the small intestine
  3. 3. a cranial nerve that carries impulses
  4. 5. contractions that move food through the digestive tract
  5. 7. a nerve cell