Across
- 5. , The large air passages that lead from the trachea (windpipe) to the lungs.
- 6. , the sacs where the lungs and the blood exchange oxygen and carbon dioxide during the process of breathing in and breathing out
- 7. muscles, the spaces between the ribs
Down
- 1. , The airway that leads from the larynx (voice box) to the bronchi
- 2. , the openings to the nasal cavities that are on the face
- 3. , pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body
- 4. , large, dome-shaped muscle that contracts rhythmically and is located below the lungs