What is meant by stimulus and reaction?
Stimulus is the change in the environment or environmental factors to to which the organism can respond or react. Theresponse shown by organisms towards or awaya stimulus is called reaction.
What is peripheral nervous system? Write its function.
The nervous system consists of nervous tissues that communicate between the brain and different parts of the body is peripheral nervous system.
Its functions are:
- It communicate between brain and different body parts.
- It hold reflex action within it.