Question

Which of the following is NOT a part of the respiratory system?

a. pharynx
b. trachea
c. pancreas
d. larynx

Answer 1

trachea

Step-by-step explanation:

The trachea is one part of the respiratory tree that is a conduit for air to pass through on its way to or from the alveoli of the lungs. This transmits oxygen to the body and removes carbon dioxide.