The following is a list of some of the structures of the respiratory tree: 1. secondary bronchi
2) bronchioles
3) alveolar ducts
4) primary bronchi
5) respiratory bronchioles
6) alveoli
7) terminal bronchioles
The order in which air passes through these structures beginning at the trachea is
A) 4, 1, 2, 7, 5, 3, 6.
B) 4, 1, 2, 5, 7, 3, 6.
C) 1, 4, 2, 5, 7, 3, 6.
D) 1, 4, 2, 7, 5, 3, 6.
E) 2, 4, 1, 7, 5, 3, 6.

Question

Quizplus · Accepted Answer

Air passes from the trachea to the primary bronchi, then to secondary bronchi, bronchioles, terminal bronchioles, respiratory bronchioles, alveolar ducts, and finally to the alveoli.

The Following Is a List of Some of the Structures