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  • Gaseous exchange for respiration process occurs in  Option: 1 Bronchi  </di

Gaseous exchange for respiration process occurs in

 

Option: 1

Bronchi

 


Option: 2

Trachea

 


Option: 3

Alveoli 

 


Option: 4

None of the above

 


Answers (1)

best_answer

 

 

Respiratory System in Humans -

  • Respiratory Portion:
    • Respiratory bronchioles
    • Alveolar ducts
    • Alveolar sacs and alveoli
  • Each bronchus undergoes repeated divisions to form the secondary and tertiary bronchi and bronchioles ending up in very thin terminal bronchioles.
  • The tracheae, primary, secondary and tertiary bronchi, and initial bronchioles are supported by incomplete cartilaginous rings. 
  • Each terminal bronchiole gives rise to a number of very thin, irregular-walled and vascularised bag-like structures called alveoli.
  • The branching network of bronchi, bronchioles and alveoli comprise the lungs.

Gaseous exchange takes place in the alveoli. Hence the correct option is alveoli 

Posted by

seema garhwal

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