Question

which of the following structures is/are shared by the respiratory and digestive systems?
answer
nasal cavities
paranasal sinuses
nasal cavities and paranasal sinuses
larynx
pharynx and larynx
pharynx
i dont know yet

Explanation:

The pharynx is part of both the respiratory (conducts air) and digestive (conducts food) systems. Nasal cavities, paranasal sinuses, and larynx are only in the respiratory system. So the shared structure is the pharynx.

Answer:

Pharynx (the option with "Pharynx")