Q. At which thoracic vertebra does trachea divide into right and left primary bronchi?
A) 5
B) 6
C) 9
D) 4
Explanation
Trachea is a straight tube extending upto the mid thoracic cavity, which divides at the level of 5th thoracic vertebra into the right and left bronchi. Each bronchi undergoes repeated division to form secondary and tertiary bronchi ending up to very thin terminal bronchioles
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.