Read the following carefully:
1)	Spheno-occipital synchondrosis
2)	Mandibular condyle
3)	Frontomaxillary suture
4)	Nasal septum
5)	Alveolar processs
Which of the following are sites of cartilaginous growth postnatally?
1 & 2 1, 2 & 4 2, 3 & 5 3 & 5