The Respiratory System

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Across
  1. 5. Air enters the body through the nose or ____
  2. 7. A waste product created by cellular respiration
  3. 10. A process that occurs in all our cells is cellular ___
  4. 12. Nutrients are absorbed in the ____
  5. 13. The long, U-shaped tube that connects the larynx to the lungs
  6. 15. Organ that food travels down to reach the stomach
Down
  1. 1. The process of breaking down food
  2. 2. Two large tubes that carry air from the windpipe to the lungs
  3. 3. Cells > Tissues > ____ > Body System
  4. 4. The site where gas exchange occurs
  5. 6. A small sore on the lining of the stomach
  6. 8. A thin, dome-shaped muscle that sits below the lungs
  7. 9. The main site for chemical digestion
  8. 11. A group of cells that do a similar task
  9. 14. Also called the voice box