Human respiratory system

ahmadchemist737(72)
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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

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

20181002_203914-1.jpg

20181002_204033-1.jpg

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Human respiratory system | Ecency