Respiratory System

123456789
Across
  1. 2. a muscle that helps you breath below your lungs
  2. 3. a flap-like structure made of cartilage at the top of the larynx
  3. 6. Large tubes that carry air from your windpipe to your lungs
  4. 8. also known as the voice box; a hollow structure in the throat between the pharyns and trachea
  5. 9. Tiny air sacs at the end of the bronchioles
Down
  1. 1. Either of the two main branches of the trachea
  2. 4. also known as windpipe; a U-shaped tube joining the larynx to your lungs
  3. 5. cords two bands of muscle inside the larynx
  4. 7. a pair of organs in the chest that supply the body with oxygen