BRain is protected by cranium and spinal cord is protected by backbone.
Pituitary gland is the master gland present in the brain.
Brian is also protected by CSF (cerebrospinal fluid) and 3 membrane dura, arachnoid & pia

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Brain is protected by the cranium or the skull. Spinal cord is protected by the vertebral column. Pituitary gland is the master gland because it controls the activities of all other glands.
I answered the question six minutes after the other user answered it and of you don't know...I'm an mbbs student who has studied biology for the past six years..if I were to edit the answer I would gladly add info but the prob is im
im not able to edit it -_-
Theriyala'inrathuku ippadi oru bitta ...:)
:D ...
Hey you! I really know a lot more info regarding this yaar...but I swear I'm not able to edit it !!