Answer:
The central nervous system is the body's processing centre. The brain controls most of the functions of the body, including awareness, movement, thinking, speech, and the 5 senses of seeing, hearing, feeling, tasting and smelling. The spinal cord is an extension of the brain.
Step-by-step explanation:
4 main functions are:
Control of body's internal environment to maintain 'homeostasis' An example of this is the regulation of body temperature.
Programming of spinal cord reflexes. An example of this is the stretch reflex.
Memory and learning.
Voluntary control of movement.