It controls all parts of the body. It receives and interprets messages from all parts of the body and sends out instructions. The three main components of the central nervous system are the brain, spinal cord and neurons.
Answer:
Your skull is made up of two sets of Bones .The bones of your face and the bones of your cranium, which makes up your forehead and the back of your head. Your cranium is the large bone case that surrounds your delicate brain protecting from bumps and knocks.
Calcium - it helps with bone development
