a specialised network of cells and the human body's primary internal communication system
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what are the two main functions of the nervous system
1. to collect, process and respond to information in the environment 2. to coordinate the working of different organs and cells
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what are the two sub systems
Central NS and peripheral NS
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What makes up the central nervous system
the brain and the spinal cord
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what is the brains outer layer called
the cerebral cortex
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why does the cerebral coretx distinguish us from animals
its highly developed so distinguishes our higher mental function
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What is the brain divided into
two hemispheres
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what is the spinal cord responsible for
reflex actions
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what does the CNS do
passes messages to and from the brain and connects nerves to the PNS
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What does PNS stand for
peripheral NS
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What is the role of the PNS
transmits messages via neurons to and from the CNS
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What is the PNS divided into
Autonomic NS and Somatic NS
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what is the role of the ANS
governs vital functions in the body
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examples of vital functions within the body
breathing, heartrate, digestion and sexual arousal and stress responses
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what is the role of the SNS
controls muscle movement and recieves information from the sensory receptors
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What makes up he PNS
all of the nerves in the spine
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What part of the nervous system does muscle memory come into
SNS PNS
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what works together to produce the flight or fight response
the endocrine system and the ANS
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What is the flight or fight response
the biological changes an animal makes when they are responding to a stressor in the environment. The body becomes physially aroused in readiness to fight or run away
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Other cards in this set
Card 2
Front
what are the two main functions of the nervous system
Back
1. to collect, process and respond to information in the environment 2. to coordinate the working of different organs and cells
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