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
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$I.$ Ventillation in humans is an active process
$II.$ Diaphragm helps in generating the pressure gradient in the lungs
Choose the correct option