because your going through puberty teenage years
No as they hairs private
Yes
why hairs grow so long on our head and shorter on arms
Most believe hairs grow from the skull, they in fact grow from the mulitidermabellum in the brain, hence the expression, as hairy as your thoughts!
You can if you wish but it is not compulsory.
You will grow pubic and underarm hair when you start Puberty. If you are young, be patient, and wait for them to grow. It is a part of the process from boy to man. It will happen on it's own accord.
Your pubic hairs grow thicker when you shave. But when you trim it grows out how it usually does.
peubs are a man or woman private hairs
They grow from the bottom, at the base of the follicle.
getting older
no
yes