Across
- 2. this tube consists of a series of cartilage rings that maintain its shape.
- 5. here, te bocal cords are located.
- 6. each bronchus enters a long, and then branches out into many narrower bronchial tubes.
- 7. the entrance is trhough the interior of the nose.
- 8. it is something invisible tht we breathe and is distrubed by the blood
Down
- 1. in thisthis muscular tube, the digestive and respiratory sitem meet.
- 3. this is the end of the respiratory system. these are small clustered sacs, surrounded by capillaries
- 4. these tubes get smaller and narrower as they traval throug the lungs.