Across
- 1. here, the vocal cords vibrate which creates sounds that allow us to talk
- 4. is a past 1
- 8. each brought enters a lung, and narrower bronchial tubs
- 9. is a part very important bot eating
Down
- 2. this is the end of the respiratory system
- 3. in this muscular tube, the digestive and respiratory system meet
- 5. this tube consists of a series of cartilage rings that maintain its shape
- 6. is transported in the blood to all the cells, where it is used to generate energy from nutrients
- 7. in the gas exchange happens