Question

which organ of the respiratory system is used by both the respiratory and digestive systems?
o trachea
o stomach
o nasal cavity
o pharynx

Explanation:

The pharynx is part of both the respiratory and digestive systems. In the respiratory system, it is a pathway for air. In the digestive system, it is a pathway for food. The nasal cavity is mainly for respiration, the trachea is only for respiration, and the stomach is only for digestion.

Answer:

pharynx