Question

Write three main functions of the nervou system.

Answer 1

1. Transmission of information.
2. blood flows through veins.
3. sensory,motor nerves work in nervous system.

Answer 2

The 3 main functions of the nervous system are:

• Sensory input –Sensory or afferent neutron detect internal or external changes (stimuli) and send the message to the brain or spinal cord.
• Integration–Interneuronsin 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 effectororgan (a muscle or a gland).