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

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 14. Breathing and exchange in gases1 Mark
MCQ
At which level of thoracic vertebra, trachea divides
  • A
    $2^{\text {nd }}$ thoracic vertebra
  • ✓
    $5^{\text {th }}$ thoracic vertebra
  • C
    $3^{\text {rd }}$ thoracic vertebra
  • D
    $4^{\text {th }}$ thoracic vertebra
✓

Answer

Correct option: B.
$5^{\text {th }}$ thoracic vertebra
b
The trachea divides into right and left primary bronchi at the level of $5^{\text {th }}$ thoracic vertebra.

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