#respiratory_system_humans #nostrils #nasal_cavity #pharynx #larynx #glottis #epiglottis#trachea #bronchi #bronchioles #alveolar_ducts #alveoli #lungs #pleura #pulmonary_artery #pulmonary_veins#air_passageway#class_10th #Fsc_part_1 #Bsc #BShons#Zoology #prof_masood_fuzail #biologylecture #best_biology_lecture
Негізгі бет Structure of Lungs Urdu /Hindi medium
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