What's covered
Key facts
Fight or flight
During fight-or-flight, breathing speeds up to get more oxygen into the blood.
Parts of the brain and what they do
The brain stem controls automatic jobs like breathing and heart rate.
Studying the brain — scans
A CT scan uses X-rays to show the brain's structure, often in emergencies.
The nervous system and neurons
The axon is the long, tail-like part of a neuron that carries messages away from the cell body.
What psychology is
Clinical psychology studies mental health and helps people who are struggling.
Fight or flight
Digestion slows or pauses so the body can save energy for fighting or running.
Parts of the brain and what they do
The brain stem connects the brain to the spinal cord.
Studying the brain — scans
An EEG records the brain's electrical activity using electrodes placed on the scalp.
The nervous system and neurons
The central nervous system is made up of the brain and the spinal cord.
What psychology is
Cognitive psychology studies how people think, learn and remember.
Sample questions
A taste of the 53 questions in this topic, answers marked. Sign up to practise the full set with spaced repetition.
What is the main purpose of the fight or flight response?
- •To help you digest your food
- •To help you fall asleep faster
- •To help you grow taller
- ✓To help you survive danger
Which part of the brain controls balance and coordinating movement?
- •Brain stem
- ✓Cerebellum
- •Cerebrum
- •Frontal lobe
What does a structural brain scan mainly show?
- •The brain's activity
- •The brain's blood sugar
- •The brain's electricity
- ✓The brain's shape
Which part of a neuron receives messages and passes them to the cell body?
- •Axon
- ✓Dendrites
- •Myelin sheath
- •Synapse
Which best describes what psychology studies?
- •How computers store data
- ✓How people think, feel and act
- •How rocks and minerals form
- •Only how the heart pumps blood
What are the three common reactions to danger called?
- •Eat, drink and rest
- ✓Fight, flight and freeze
- •Rest, sleep and dream
- •Walk, talk and think
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