Respiratory System

12345678910111213
Across
  1. 3. large tubes that connect to your windpipe and direct the air you breath to your right and left lungs
  2. 5. main passageway into your lungs
  3. 6. a pair of spongy, air filled organs located on either side of the chest
  4. 7. are muscles found between the ribs
  5. 9. a long U-shaped tube that connects your voice box to your lungs
  6. 10. cone shaped passageway leading from the oral and nasal cavities in the head to the esophagus and larynx
  7. 11. the process of letting air out of your lungs during the breathing cycle
  8. 12. flap of cartilage located in the throat behind the tongue and infront of the larynx
  9. 13. carries oxygen efficiently from the lungs to the tissues in body
Down
  1. 1. the movement of a substance from an area of high concentration to an area of lower concentration
  2. 2. gives shape, support, and structure to other body tissues
  3. 4. organisms combine oxygen with foodstuff molecules
  4. 8. hollow tube that lets air pass from your throat to your lungs