Levels of Organization, Respiratory System, Circulatory System Review

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Across
  1. 3. Small sacs within lung tissue where gas exchange takes place
  2. 5. The muscle that aids in the breathing process and allows the rib cage to expand
  3. 6. The windpipe; moves air from the nose to the lungs
  4. 10. group of organs working together
  5. 14. cells carry oxygen throughout the body
  6. 16. transport blood to all parts of the body so that gases, nutrients, and waste products are transported to and from the cell
  7. 17. Collects air from the environment; moistens and heats the air
  8. 19. group of cells working together
  9. 20. provide gas exchange between the blood and the air
  10. 22. The main organs where gases are exchanged between air and the blood
  11. 23. carry waste products from all the parts of the body back to the heart
Down
  1. 1. are small vessels where the exchange of oxygen and nutrients form the blood into the cells and carbon dioxide and other waste products enter the blood from cells
  2. 2. cells that help you stop bleeding if you get a cut
  3. 4. Cells fight infections
  4. 7. yellowish liquid that carried nutrients and proteins throughout the body
  5. 8. Tubes that move air from the trachea to the lungs; one bronchus leads to each lung
  6. 9. group of tissues working together
  7. 11. basic unit of life
  8. 12. tubes that carry blood throughout the entire body
  9. 13. organ systems working together
  10. 15. circulates blood through the body by pumping
  11. 18. carry blood that has oxygen and nutrients to all the parts of the body
  12. 21. it enters the trachea