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NEETZoologyBreathing and Exchange of Gases

Read the following statements and choose the following option: 1. Trachea is a straight tube that divides immediately into alveoli 2. Bronchi divides into thin bronchioles 3. Lungs are covered by a double layered pleura 4. Pleural fluid between pleural layers reduces friction on the lung-surface

Options

  1. AOnly 1 is incorrect
  2. BOnly 3 is correct
  3. CBoth 3 and 4 is incorrect
  4. DBoth 1 and 2 is correct

Correct answer

A. Only 1 is incorrect

Step-by-step solution

Each bronch undergoes repeated divisions to form the secondary and tertiary bronchi and bronchioles ending up in very thin terminal bronchioles.

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