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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
Rheumatic fever can cause damage.
  • A
    Alveoli of the Lungs.
  • B
    Heart valves.
  • C
    Heart muscles.
  • D
    Pleural membranes function.
✓

Answer

  1. Heart valves.

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