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MHT CET Medical202621 April 2026Morning ShiftBiologyBreathing and Exchange of GasesActual

Arrange the following organs of the Human respiratory system from outside to inside:

Options

  1. ALungs, pleural membranes, thoracic cavity, alveoli
  2. BThoracic cavity, lungs, pleural membranes, alveoli
  3. CThoracic cavity, pleural membranes, lungs, alveoli
  4. DThoracic cavity, lungs, alveoli, pleural membranes

Correct answer

C. Thoracic cavity, pleural membranes, lungs, alveoli

Step-by-step solution

The human respiratory system is situated in the thoracic cavity, which is the outermost structure among the given options. Inside the thoracic cavity, the lungs are present. The lungs are enclosed by a double-layered pleura (pleural membranes), consisting of an outer parietal pleura in contact with the thoracic lining and an inner visceral pleura in contact with the lung surface. Therefore, the pleural membranes are encountered after the thoracic cavity and before the main lung tissue. Deep inside the lungs, the te

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