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Grade 12th passZoology

which of the following is made up of a single bone in mammals?
  1. lower jaw
  2. hyoid
  3. zygomatic arch
  4. upper jaw

Profile image of raghav
12 Years agoGrade 12th pass
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2 Answers

Profile image of Apoorva Arora
12 Years ago
The lower jaw in mammals is made up of a single bone.
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Apoorva Arora
IIT Roorkee
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Profile image of Pallikala prasanth
8 Years ago
Hyoid .bone or tounge bone is single bone that lies in the upper part of the throat just above the larynx. It serve as a point of attachment for some of the muscle of the tounge ND floor of the mouth but. Doesnt articulate with any other bone