Study the given figure of respiratory passage carefully and identify the-parts labelled as A, B, C, D and E.

(A) Alveolar sac (B) Secondary bronchus (C)Alveoli (D) Bronchioles (E)Trachea

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(A) Alveoli (B) Secondary bronchus (C)Alveolar sac (D)Trachea (E)Bronchioles

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(A) Alveolar sac (B) Tertiary bronchus (C)Alveoli (D) Trachea (E)Bronchioles

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(A) Alveoli (B) Tertiary bronchus (C) Alveolar sac (D) Bronchioles (E)Trachea

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Solution

The correct option is B (A) Alveolar sac (B) Secondary bronchus (C)Alveoli (D) Bronchioles (E)Trachea
In the given figure depicting the respiratory passage in man, the unidentified parts are as follows: (A) Alveolar sac, (B) Secondary bronchus, (C) Alveoli, (D) Bronchioles, and (E) Trachea.
So, the correct answer is '
(A) Alveolar sac (B) Secondary bronchus (C)Alveoli (D) Bronchioles (E)Trachea'.

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Which part is missing in the path of air in the human body?

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