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  • The lungs are covered by a double-layered pleura, with pleural fluid between them. What is the function of pleural fluid?  Opt

The lungs are covered by a double-layered pleura, with pleural fluid between them. What is the function of pleural fluid?

 

Option: 1

It takes part in the exchange of gases

 


Option: 2

It creates a larger surface area for gas exchange

 


Option: 3

It reduces friction on the lung-surface.

 


Option: 4

It helps in protecting the internal parts of lungs

 


Answers (1)

best_answer

 The Lungs and Thoracic Chamber -

 
  • A major organ of the respiratory system, each lung houses structures of both the conducting and respiratory zones.
  • The lungs are pyramid-shaped, paired organs that are connected to the trachea by the right and left bronchi; on the inferior surface, the lungs are bordered by the diaphragm.
  • The lungs are covered by a double-layered pleura, with pleural fluid between them. It reduces friction on the lung-surface.

Hence, the correct option is It reduces friction on the lung-surface.

Posted by

Sayak

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