Question

Which part of our body keeps on growing in length throughout our lifetime? 1)hair 2)nail 3)bones 4)teeth

Answer 1

Nails is the part which keeps on growing through our lifetime as hair stops after some age,bones also stops growing after some age and teeth also so nails are the parts which keeps on growing.

Answer 2

The correct answer is nails.

The nails are made of keratin protein which keeps on growing for the whole life. The hair of the body stops growing at a certain period of time though it grows for a longer period of time. Bones stops growing at the age of puberty. Teeth only grows upto the time they reach their optimum size.