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STD 11 - 14. Breathing and exchange in gases — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 14. Breathing and exchange in gases4 Marks
MCQ
Identify the component of respiratory system which displays the features given below and choose the correct option

$I.$ Double layered

$II.$ Fluid contained in it reduces the friction on the lung surface

$III.$ Its outer layer is in contact with thoracic wall

$IV.$ Its inner layer is in contact with lungs

  • A
    Visceral layer
  • B
    Peritoneum cavity
  • C
    Visceral organs
  • ✓
    Pleura
✓

Answer

Correct option: D.
Pleura
d
Humans have two lungs, which are covered by a double layered pleura with pleural fluid between them. Pleural fluid reduces the friction on the lungsurface. The outer pleural membrane is in close contact with the thoracic lining whereas, the inner pleural membrane is in the contact with the lung surface

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