reflex arc Flashcards
what is the spinal chord
a column of nerve tissue that runs along the back and lies underneath the vertebral column for protection
what are reflex actions
involuntry rapid short lived and localised response to a sensory stimulus
what is the reflex arc
the pathway of neurons involved in the reflex
what are the main stages of a reflex arc
stimulus sensory receptoptor sensory neuron co ordinator motor neuron an effector and a response
what is the main importance of the reflex arc
it increases our chances of survival
they are involuntry so dont require what
dont require decision making from our brain
what can the brain be used for
for another complex task
how is the speed like
very fast with only a few synapses, absense of any descision making makes it faster