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Breathing and Exchange of Gases — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
Respiratory organs of whale are:
  • A
    Book lungs
  • B
    Lungs
  • C
    Gills
  • D
    Skin
✓

Answer

  1. Lungs

Explanation:

Whale is a mammal and mammals breathe with lungs. The whale’s lungs contain more alveoli and is surrounded by two layers of capillaries increasing the surface area for more efficient gas exchange.

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