Lower jaw of man is made up of

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)

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