Locomotion and Movement Question 33
33. The lower jaw in mammals is made up of
(a) Mandible
(b) Dentary
(c) Maxilla
(d) Angulars
Show Answer
Answer : a
Hints & Solutions
(a) Lower jaw is made of mandible or jaw bone. The mandible is the largest bone in the human skull. It holds the lower teeth in place; it assists in mastication and forms the lower jawline. The mandible is composed of the body and the ramus and is located inferior to the maxilla. The body is a horizontally curved portion that creates the lower jawline.