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Respiratory system in Humans - Part 2

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Published on 17 Apr 2022 / In Biology / Biology Grade 9

The respiratory system is one of the most important systems in our body. But it is not an easy one to study. It is quite a sophisticated system with several parts. Let us understand the Upper Respiratory system in this video.

In this video, we will learn:
0:00 upper respiratory tract
0:14 lower respiratory system
0:24 windpipe
0:44 structure of the trachea
1:14 bronchus
2:11 structure of bronchioles
2:30 structure of alveoli
3:22 gaseous exchange in the alveoli

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