Question

question
in which of the following groups does each bone contain a sinus?
answer
frontal, sphenoid, occipital, and temporal
ethmoid, sphenoid, frontal, and maxillary
frontal, maxillary, zygomatic, and temporal
nasal, ethmoid, and sphenoid
i dont know yet

Explanation:

The paranasal sinuses are cavities in certain bones of the skull. The ethmoid, sphenoid, frontal, and maxillary bones each contain sinuses. The occipital, temporal, zygomatic, and nasal bones do not all have sinuses.

Answer:

B. Ethmoid, sphenoid, frontal, and maxillary