A network of cells made up of the central nervous system and peripheral nervous system. It is the main communicator in the body
Structure
Nervous system structure
Main role
Collect and respond to information in the environment, control the working of organs and cells in the body including the brain
Subdivisions
Peripheral nervous system, Autonomic nervous system
Functions
Central, Peripheral, Autonomic, Somatic
Central Nervous System
Made up of the brain and spinal cord, where complex demands and decisions are made, Brain stem controls many basic functions
Peripheral Nervous System
Supports the actions of CNS, receives images from the CNS and sends messages back, subdivided into the ANS and SNS
Autonomic Nervous System
Co-ordinates vital functions in the body such as breathing, heart rate and digestion, involved in the body's response to stress, involuntary system meaning the processes happen automatically, Made up of 2 parts, the sympathetic and parasympathetic
Somatic Nervous System
Controls voluntary movements of our muscles, movements are under our control, uses information from the sensory organs such as our eyes and skin
