Brain is very sensitive part of our body,Brain control all the system that our body perform,its has some important parts:

Cortex: Cortex is essential to voluntary movements;sensations,learning,remembering,thinking,emotion etc.

Hypothalamus: is involved in control, the emotion,and motivation

Pons: Regulates sleeping and wakefulness

Pituitary:The master gland 

Medulla:Control breathing,heart rate,blood pressure

Corpus: connects the two hemisphere

Thalamus: Relays sensory information to cortex and organizes it

 Cerebellum:Coordinates voluntary movement and balance

Spinal cord:Control motor and sensory impulses;is involved in reflex arcs