A) enclose the cranial cavity
B) consist of the frontal, sphenoid, ethmoid, nasal, lacrimal, and zygomatic bones
C) protect and support the entrances to the digestive and respiratory tracts
D) form a specialized joint that stabilizes the positions of the cranium and vertebral column while permitting a considerable range of head movements
E) comprise the "braincase" that surrounds and protects the brain

A) an interconnected network of air cells, which produce mucous secretions that flush the surfaces of the nasal cavities
B) the cribriform plate, which is perforated by foramina
C) a perpendicular plate, which forms the superior part of the nasal septum
D) a prominent bony ridge to which is attached the falx cerebri, a membrane that stabilizes the position of the brain
E) All of the answers are correct.

A) maxilla
B) zygomatic
C) frontal
D) sphenoid
E) ethmoid