body systems review

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Across
  1. 2. a collection of tissue that perform a function
  2. 3. upper chamber of heart
  3. 5. exchanges oxygen and carbon dioxide from blood
  4. 6. liquid part of blood
  5. 7. lower part of the heart
  6. 8. a group of organs that do a specific function
  7. 11. allows air to pass to and from lungs
  8. 13. the passage that takes air into the lungs
  9. 14. airways that lead from bronchi to alveoli
  10. 15. the basic unit of all living things
Down
  1. 1. large fat muscle at the bottom of the chest
  2. 4. A part of forming scabs
  3. 9. tiny sacs that move gasses between air and blood
  4. 10. a filter in the kidney that blood goes through
  5. 12. a group of cells that perform the same function