Human Respiratory System

123456789101112131415
Across
  1. 2. Organ that warms and filters air before moving it to the trachea
  2. 6. Muscle that moves lungs during inhalation
  3. 7. Opening of the trachea that is covered by a flap of tissue
  4. 9. Bones that protect the lungs and heart
  5. 10. Appear as clusters of grapes in the lungs where gas exchange occurs
  6. 13. To take air in and out of the lungs
  7. 14. Element necessary for cellular respiration
  8. 15. Known as the ‘voice box’
Down
  1. 1. Cellular process that requires oxygen and glucose to make carbon dioxide and water
  2. 3. Main organs that we use to breathe
  3. 4. Known as the ‘windpipe’
  4. 5. Product of cellular respiration
  5. 8. To remove air from the body
  6. 11. To take air into the body
  7. 12. Large tubes that carry air from the trachea into the lungs.