the head
I believe that would be called a Visor
The knights in the country of Switzerland used to try to protect Christianity and Christian leaders a long time ago.
to practice chivalry. and to protect the lord and look after his land.
The arm
Skull bones protect your brain.
skin
the spinal cord
Your hands! :P
Its exoskeleton.
by wings
Eyelids and Eyelashes.
scales