<prompt> All of the following are pneumatic bone EXCEPT:MaxillaFrontalMandibleEthmoid  <response>: Ans. c MandibleRef: Grays 38th ed.431 Pneumatic Bone: Some cranial bones have air filled cavities for making skull light weight, resonance of voice air conditioning. Maxilla, Mastoid, Ethmoid, Sphenoid Frontal bones are pneumatic bones.Types of boneSesamoid bonesPneumatic bone Mn: It has Maximum Spherical Front MassMembranous Dermal bone Patella Pisiform Fabella Ethmoid Maxilla Sphenoid Frontal Mastoid temporal Skull vault bones Facial bones 