1. Tardigrade
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  3. Biology
  4. The given diagram represents the human respiratory system with few structures labelled as I, II, III and IV <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/biology/8550a0d9a80b6cf7062e5547fdf86ca5-.png /> The exchange of gases takes place in which labelled structure?

Q. The given diagram represents the human respiratory system with few structures labelled as I, II, III and IV
image
The exchange of gases takes place in which labelled structure?

 521  166 Breathing and Exchange of Gases Report Error

Solution:

In the diagram, label IV represents alveoli. Alveoli are sac like structure present in lungs. They are the site for exchange of gases. The label I represent trachea, label II represents bronchi and label III represents bronchioles.