The Human Brain

Question 1

What are the three main parts of the brain?

Answer 1

Forebrain
Midbrain
Hindbrain

Question 2

What structures does the forebrain contian?

Answer 2

Hypothalamus, Hippocampus and thalamus (Limbic system)
Cerebrum

Question 3

What structures does the midbrain contain?

Answer 3

Nerve fibres

Question 4

What does the midbrain do?

Answer 4

It has nerve fibres that link forebrain to hindbrain
Relay information for vision and hearing

Question 5

What structures does the hindbrain have?

Answer 5

Medulla oblongata and cerebellum

Question 6

What does are all the main structures of the brain?

Answer 6

Corpus callosum
Cerebrum
Cerebral cortex
Cerebellum
Spinal cord
Thalamus
Hypothalamus
Hippocampus
Pituitary gland
Brainstem

Question 7

What three structures does the brainstem include?

Answer 7

Midbrain
Pons
Medulla

Question 8

What is the name of the 3 membranes that surround the spinal cord?

Answer 8

Meninges

Question 9

What are meninges made of?

Answer 9

Delicate pia matter

Question 10

What are the function of the meninges?

Answer 10

They act as shock absorbers and anchor the brain to the skull

Question 11

How much does the brain weigh?

Answer 11

1300-1400 grams

Question 12

How many neurones is the brain made of?

Answer 12

100 billion neurones

Question 13

What is meningitis?

Answer 13

Inflammation of meninges

Question 14

How has meningitis rates been reduced?

Answer 14

Vaccination programmes

Question 15

What type of meningitis is more fatal or common?

Answer 15

Viral meningitis is more common
Bacterial meningitis is fatal

Question 16

What do the cells lining ventricles produce?

Answer 16

Cerebrospinal fluid

Question 17

What does the cerebrospinal fluid do?

Answer 17

Supply neurones with oxygen and glucose

Question 18

What does cerebrospinal fluid contain?

Answer 18

Antibodies and White blood cells to resist infection
NO RBC

Question 19

What does the medulla oblongata do?

Answer 19

It controls the involuntary control of processes

Question 20

What exemplar processes does the medulla oblongata control?

Answer 20

• Regulation of Heart beat
• Ventilation
• Maintaining blood presuure
• Balance

Question 21

What is the medulla oblongata apart of?

Answer 21

The autonomic nervous system
AND
The hindbrain and the brain stem

Question 22

What is the main purpose of hypothalamus?

Answer 22

Regulation of:
*Body temp
*Blood solute
*Thirst
*Hunger
*Sleep

Question 23

How can the hypothalamus control other parts of the body?

Answer 23

It can receive information from other parts of the brain
In order to stimulate secretion of hormones from the pituitary gland to control parts of the body
(Hormone/Endocrine system)

Question 24

How else can the Hypothalamus control the body besides hormones?

Answer 24

Through neurones and nerves (autonomic nervous system)

Question 25

What does the hypothalamus link?

Answer 25

Links the brain and endocrine system via the pituitary gland

Question 26

What is the hypothalamus apart of?

Answer 26

Forebrain and the Limbic system

Question 27

What is the main function of the Thalamus?

Answer 27

It acts as the relay centre

Question 28

How does the thalamus act as a relay centre?

Answer 28

*It sends and receives information (visual and auditory) to and from the cerebrum *Allowing sensory perception/interpretation ->reducing responses to sensory info to allow sleep

Question 29

What is the Thalamus apart of?

Answer 29

The Forebrain and the Limbic system

Question 30

What is the shape of the hippocampus?

Answer 30

A horse shoe shaped structure

Question 31

What is the main contribution of the hippocampus?

Answer 31

Contributes to learning, reasoning and personality (emotional response) Involved in the consolidation of new memories into LTM

Question 32

What are examples of the memories that the hippocampus would store?

Answer 32

*Facts *Places *People *Location of objects

Question 33

What is the hippocampus apart of?

Answer 33

The Forebrain and the Limbic system

Question 34

What does the Limbic system do?

Answer 34

Involved in learning, forming new memories and emotions Connects emotions and senses to memories

Question 35

What does thee cerebellum do?

Answer 35

Coordinates muscles

Question 36

How does the cerebellum coordinate the muscles?

Answer 36

Maintains posture AND The learning of voluntary tasks that require muscle control (writing, playing an instrument, riding a bike)

Question 37

What is the cerebrum?

Answer 37

The largest division of the brain that is separated into the left and right hemisphere

Question 38

What connects the right and left hemispheres?

Answer 38

Corpus callosum allows communications

Question 39

What is the Corpus callosum made out of?

Answer 39

It is a massive bundle of nerves