Chapter 6

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Name THREE external stimuli that affect humans?
Light, sound, chemicals, touch, pain, pressure, changes in position, changes in temperature
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Name the TWO types of effector found in the body and state how they respond to stimuli?
Muscles - contact; Glands - secrete hormones
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How are impulses passed across a synapse?
A chemical is secreted from a neurone which diffuses to another neurone
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What is a reflex action?
An automatic, fast response to a stimulus
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Which region of the brain is concerned with memory and thought?
Cerebral cortex
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Why are reflex actions important?
They help you to avoid/protect you from danger
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Name TWO unconscious processes which are controlled by the medulla?
Heartbeat, breathing, movements of the gut
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List the stages of the pathway involved in reflex action
Stimulus --> receptor --> sensory neurone --> relay neurone --> motor neurone --> effector --> response
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What does CNS stand for?
Central Nervous System
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What is at the junction between two neurones?
Synapse
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What region of the brain deal with the coordination of muscular activity?
Cerebellum
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Card 2

Front

Name the TWO types of effector found in the body and state how they respond to stimuli?

Back

Muscles - contact; Glands - secrete hormones

Card 3

Front

How are impulses passed across a synapse?

Back

Preview of the front of card 3

Card 4

Front

What is a reflex action?

Back

Preview of the front of card 4

Card 5

Front

Which region of the brain is concerned with memory and thought?

Back

Preview of the front of card 5
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