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Solution:
The correct option is (a).
Not all respiratory organs are located deep inside the body. Functionally, respiratory organs are divided into conducting zone and respiratory zone.
The correct option is (a).
Not all respiratory organs are located deep inside the body. Functionally, respiratory organs are divided into conducting zone and respiratory zone.
- Conducting zone consist of nose, pharynx, larynx, trachea, bronchi. These structures help in causing air to move in and out as they form a passage.
- Respiratory zone is located deep inside the body in lungs. It contains bronchioles, alveolar ducts and alveoli.