Question

air is warmed and moisten as it moves through both the mouth and nasal passages. please select the best answer from the choices provided. t f

Explanation:

When air passes through the nasal passages, it is warmed and moistened. However, the mouth does not have the same specialized structures (like nasal mucosa with blood vessels for warming and goblet cells for moistening in a highly efficient way as the nasal passages). While the mouth can also warm and moisten air to some extent (by heat from the oral cavity and saliva), it is not as effective as the nasal passages. The statement says "both the mouth and nasal passages" in a way that implies equal or similar effectiveness which is incorrect.

Answer:

F