1:00
en
CR
respiratory system
2
lungs: alveoli exchange oxygen carbon dioxide here
bronchi: two tubes taking air from trachea to lungs
respiratory system
Across:2. | two tubes taking air from trachea to lungs |
| | Down:1. | alveoli exchange oxygen carbon dioxide here |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only
respiratory system
Across:2. | two tubes taking air from trachea to lungs |
| | Down:1. | alveoli exchange oxygen carbon dioxide here |
| |
© 2014
PuzzleFast.com, Noncommercial Use Only