Question

what are the three main functions of nervous system?

Answer 1

Hey,
Ur answer is here,
Nervous system has 3 major functions:
Sensory input – sensory or afferent neutron detect internal or
external changes ( stimuli ) and send the message to the brain or
spinal cord.
Integration – interneurons in the brain or spinal cord process and
interpret the message from the sensory neurons, and relay the
massage back to body parts.
Motor output – motor or efferent neurons receive the message
from interneuron and produce a response at the effector organ ( a
muscle or a gland).
Hope it helps you ☺️

Answer 2

Main function of nervous system are :-

-- Coordinates the activities of the body .

-- Help all the other system of the body to work together .

-- The Nervous System receive information from surrounding processes it interpret it and then responds accordingly .

HOPE IT HELPS YOU :)