Answers

2015-06-08T21:21:29+08:00
The part of the respiratory system that are in charge of supplying  oxygen
are the nose,nasalpassageway,wind pipe,lungs,and diaphraghm

1 1 1
2015-06-08T21:22:48+08:00
Nose - nasal cavity - pharynx - larynx - trachea - bronchi - bronchioles - alveoli
1 1 1