Question

unlike our digestive tract, our respiratory tract exhibits a two - way design, in that air flows in/out through the same passageways and structures.
true
false

Explanation:

In the human body, air enters and exits the respiratory tract through the same structures like the nose, pharynx, larynx, trachea, etc. This is in contrast to the digestive tract where food enters at the mouth and waste exits at the anus.

Answer:

True