Respiratory System Crossword

12345678910111213141516
Across
  1. 5. When the muscles are working and getting shorter
  2. 8. The name for the substances that are reacted together
  3. 10. The chemical reaction that releases energy from glucose
  4. 12. Scientific name for breathing out
  5. 13. The useful product released during respiration
  6. 16. A place in cell where aerobic respiration happens
Down
  1. 1. Muscles found between the ribs
  2. 2. A reactant during respiration, we breathe it in
  3. 3. A reactant where the energy is stored before
  4. 4. Scientific name for breathing in
  5. 6. The name for what is produced in a chemical reaction
  6. 7. Waste product of respiration
  7. 9. Bones that protect the lungs
  8. 11. A product during respiration, we drink it
  9. 14. When the muscles are at rest and return to normal size
  10. 15. When we breathe in, this contracts and moves down pulling air into the lungs