The upper jaw bone is called _____.
-
maxilla
-
mandible
-
vault
-
sagittarius
A
Correct answer
Explanation
The maxilla forms the upper jaw and holds the upper teeth. The mandible (B) is the lower jawbone (the only movable skull bone), vault (C) refers to the cranial vault (skull cap), and sagittarius (D) is a zodiac sign, not an anatomical term.