the nervous system and endocrine Flashcards
what is the nervous system made up of?
specialised network of cells in the human body and is our primary internal communication
what are the two main functions of the nervous system?
collect, process and respond to info in the environment
to coordinate the working of different organs and cells in the body
what is the nervous split up into?
the central nervous system
peripheral nervous system
what is the CNS?
the body’s master control unit
what is the PNS?
the body’s link to the outside world
what is the CNS broken up into?
brain and the spinal cord
the brain is the centre of…
all conscious awareness
the brain’s outer layer is…
cerebral cortex which is highly developed
what is the brain split up into?
the left and right hemisphere
the spinal cord in an extension of…
the brain
what is the spinal cord responsible for?
reflex actions such as pulling your hand away from a hot plate
the spinal cord passes messages to and from the… and connects…
messages to and from the brain and connects to the PNS
what does the PNS do?
transmit messages via neurons to and from CNS
what is the PNS split up into?
autonomic nervous system
somatic nervous system
what is the ANS?
governs vital func in body e.g. breathing, heart beating
