nervous system- specialised network of cells, has two main functions of collecting, processing and responding to information from environment, to co-ordinate the working of different organs and cells
made up of peripheral and central ns, central ns- brain and spinal cord, peripheral- autonomic and somatic
spinal cord is an extension of the brain which is responsible for all reflex actions,
the somatic nervous system- this is a part of the PNS that is responsible for carrying sensory and motor infomation to and from spinal cord
autonomic- governs bodys vital functions such as breathing, heart rate, digestion, sexual arousal, and stress responses
two main divisions of autonomic- parasympathetic and sympathetic, work in opposition to each other-