State and explain two reasons for the need of reflex action.
Answers
Answered by
1
When a receptor is stimulated, it sends a signal to the central nervous system, where the brain co-ordinates the response. But sometimes a very quick response is needed, one that does notneed the involvement of the brain. This is a reflex action. ... sensory neurone sends signal to relay neurone.
barath1663:
u copied from net
no
it's written in my sisters notes
Similar questions