This is the main communication system for the body and, because it is so vital, it has to be adequately protected.
(This; is; the main communication system for the body; because it is so vital, it has to be adequately protected) (it; is; so vital, it has to be adequately protected) (it; to be adequately protected; )
This it it
is is to be adequately protected
the main communication system for the body because it is so vital, it has to be adequately protected
so vital, it has to be adequately protected