Lower jaw of man is made up of
Options
(a) 1 bone
(b) 2 bones
(c) no bones, only muscles
(d) 3 bones
Correct Answer:
1 bone
Explanation:
Lower jaw or mandible of human consists on either side a single membrane bone, the dentary. Both dentaries remain united anteriorly at a mandibular symphysis. Therefore, mandible is a single bone which consists of two dentary bones (practically two bones but theoretically a single bone)