<prompt> External nose is formed from:3 paired3 unpaired cailages3 paired 1 unpaired cailages3 paired 4 unpaired1 paired1 unpaired  <response>: 3 paired 1 unpaired cailages External nose is made up of bony framwork which forms upper third pa and cailaginous forms lower two-third pa framwork. cailages of nose: -paired upper lateral nasal cailages -paired lower nasal cailages -lesser alar cailages-2 or more in number -unpaired septal cailage. Ref.Dhingra 5e, p 149,150;6e,p 134. 