The brain

Question 1

What is the brain’s role within the CNS?

Answer 1

It acts as an interpreting centre to sort and process incoming impulses and decide on a response

Question 2

What forms the grey matter of the brain?

Answer 2

Cell bodies and synapses

Question 3

What forms the white matter of the brain?

Answer 3

Nerve fibres (dendrites and axons)

Question 4

How much of the body’s energy is used by the brain?

Answer 4

20%

Question 5

What protects both the brain and spinal cord?

Answer 5

Bone

Question 6

What covered both the brain and spinal cord?

Answer 6

Three membranes called meninges

Question 7

What fills the space within the inner two meninges?

Answer 7

Cerebrospinal fluid

Question 8

Where is cerebrospinal fluid found?

Answer 8

Within the inner two meninges

Question 9

What are the two functions of cerebrospinal fluid?

Answer 9

Acts as a protective shock absorber

Acts as an exchange medium between the blood and brain

Question 10

What is the largest part of the brain?

Answer 10

The cerebrum

Question 11

What are the two halves of the cerebrum called?

Answer 11

The right and left cerebral hemispheres

Question 12

What are the functions of the cerebrum?

9 points

Answer 12

Controlling voluntary movements
Receiving and interpreting impulses from the sense organs 
Thinking 
Intelligence 
Memory 
Language 
Emotions 
Judgement 
Personality

Question 13

What is controlled by the right hemisphere of the brain?

Answer 13

The left-hand side of the body

Question 14

What is controlled by the left hemisphere of the brain

Answer 14

The right-hand side of the body

Question 15

What does the right side of the brain specialise in?

4 points

Answer 15

Art
Music
Shape recognition
Emotional responses

Question 16

What does the left side of the brain specialise in?

5 points

Answer 16

Hand use
Language
Mathematics 
Analysis 
Logic

Question 17

What is the outer part of the cerebrum called?

Answer 17

The cerebral cortex, it is grey

Question 18

What connects the two hemispheres of the brain?

Answer 18

The corpus callosum

Question 19

What is the second largest section of the brain?

Answer 19

The cerebellum

Question 20

What does the cerebellum control?

Answer 20

Balance
Muscular coordination
Involuntary responses such as walking

Question 21

What is the medulla oblongata?

Answer 21

Connects the spinal cord with the rest of the brain

Question 22

What does the medulla oblongata control?

7 points

Answer 22

Breathing 
Blood pressure 
Swallowing 
Coughing 
Salivation 
Vomiting 
Sneezing

Question 23

Where is the thalamus located?

Answer 23

Below the cerebrum

Question 24

What is the function of the thalamus?

Answer 24

Acts as a sorting centre for the brain by sending all incoming impulses to the correct part of the brain

Question 25

Where is the hypothalamus found?

Answer 25

Below the thalamus

Question 26

What are the functions of the hypothalamus?

Answer 26

To regulate the internal environment of the body (homeostasis) by monitoring the body
To link with the pituitary gland to regulate the production of hormones

Question 27

Where is the pituitary gland found?

Answer 27

Below the hypothalamus

Question 28

What is the function of the hypothalamus?

Answer 28

To produce hormones