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

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBreathing and Exchange of Gases1 Mark
MCQ
The alveoli in human lung are:
  • A
    $3$ crore
  • ✓
    $300$ million
  • C
    $350,000$
  • D
    $5$ lakhs
✓

Answer

Correct option: B.
$300$ million

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