1
00:00:04,400 --> 00:00:22,399
Inhalation. The air enters through the nose, goes to the pharynx and runs down the larynx and the trachea and reaches the lungs through the bronchi.

2
00:00:22,399 --> 00:00:33,399
In the lungs, it runs down the bronchioles to reach the air sacs where the gas exchange happens.

3
00:00:33,399 --> 00:00:53,280
Exhalation. The carbon dioxide runs up the way to reach the nose or the mouth and that is how works the respiratory system.

4
00:00:53,280 --> 00:01:02,429
And what are you going to show us?