Which of the following is the correct spelling for the plural of bronchus?

A. Bronchie

B. Bronchi

C. Bronchuses

D. Bronchiuses

B. Bronchi

It stumped me the first time too

B. Bronchi

Bronchi is a respiratory organ responsible for the passage of gas to the alveoli. Respiration happens when the gases CO2 and oxygen is excreted and transported outside and inside the body respectively.

Here, bronchus represents one and bronchi represent many of the said organ.