Answer: layers
of sheathing
The
brain is protected by the skull and several layers of sheathing
from physical damage and insulate it against extreme temperatures. It is
encapsulated in several layers of connective tissue sheathing known as meninges
protecting fragile neural tissue and insulate the brain from different extreme temperature.
same..................................
Go to the supervisor and ask for help or get another nurse to show you how too. You definitely don't want to do anything you aren't confident in doing.
