The Central Nervous Systems (CNS) Coordinates Information

Question 1

What is the nervous system made up of?

Answer 1

All the neurones (nerve cells) in your body

Question 2

What are the main three types of neurone?

Answer 2

Sensory, relay and motor

Question 3

What does the Central Nervous System consist of?

Answer 3

The brain and spinal cord only

Question 4

1. What do receptors do in a sense organ when they detect a stimulus?

Answer 4

They send electrical impulses along sensory neurones to the CNS

Question 5

2. What does the CNS do after?

Answer 5

It the sends electrical impulses to an effector along a motor neurone. The effector then responds accordingly

Question 6

What is the job of the CNS?

Answer 6

To coordinate the response

Question 7

What do coordinated responses always need?

Answer 7

A stimulus, receptor and an effector

Question 8

What happens because neurones transmit information using high speed electrical impulses?

Answer 8

The nervous system is able to bring about very rapid responses