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NEETZoologyBreathing and Exchange of Gases

Read the following statements and choose the following option: 1. Conducting part consists of external nostrils upto the terminal bronchioles 2. Respiratory part consists of alveoli and their ducts 3. The conducting part transports the atmospheric air to the alveoli 4. Exchange part is the site of actual diffusion of O2 and CO2 between blood and atmospheric air. 5. The thoracic chamber is formed dorsally by the verte

Options

  1. AOnly 1 is correct
  2. BOnly 3 is correct
  3. CBoth 4 and 5 are incorrect
  4. DAll are correct

Correct answer

D. All are correct

Step-by-step solution

The part starting with the external nostrils up to the terminal bronchioles constitute the conducting part whereas the alveoli and their ducts form the respiratory or exchange part of the respiratory system.

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