Human respiratory system

ahmadchemist737(72)

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2018-10-03 02:09

Hy!

Steemit friends!

I am sharing topic i.e human respiratory system.
The description of the topic is in urdu language.
The human respiratory system consists of following organs

Nose
2)Pharynx
3)larynx
4)Trachea
5)Bronchi
6)Lungs
The detail of topic is..

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biology

respiratory

2018-10-03 02:09

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