The Nervous system

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What are the two parts of the nervous system?
Central Nervous System and Peripheral Nervous System
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What is the central nervous system?
Receives information from the senses and controls the body's responses
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What is the peripheral nervous system?
The part of the nervous system which is outside the brain and spinal cord
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What is the spinal cord?
A bundle of nerve fibres enclosed within the spinal column which connects nearly all parts of the body with the brain
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What is the function of the spinal cord?
Relay information between the brain and the rest of the body
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What is the brain?
The part of the nervous system which is responsible for coordinating sensation, intellectual and nervous activity
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How can the brain be split up?
Into 4 sections, the cerebrum, cerebellum, diencephalon, brain stem
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Describe the cerebrum
Divided into hemispheres and 4 lobes - frontal lobes, temporal lobes, parietal lobes and occipital lobes
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Describe the cerebellum
It controls a person's motor skills and balance, coordinating the muscles to allow precise movements
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Describe the diencephalon
Thalamus acts as a relay station for nerve impulses and Hypothalamus regulation of body temperature, hunger and a thirst.
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Describe the brain stem
Regulating automatic functions like breathing, heartbeat, swallowing
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What is the function of the peripheral nervous system?
Relay nerve impulse from the CNS to the rest of the body and vice versa.
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What is the somatic nervous system?
Carrying sensory and motor information to and from the CNS
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What is the SMS made up of?
12 pairs of cranial nerves, 31 pairs of spinal nerves
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What is the autonomic nervous system?
Governs the brains involuntary activities, stress or heartbeat and is self-regulating, autonomous.
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What is the ANS made up of?
Sympathetic and Parasympathetic nervous system
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What is the Sympathetic nervous system?
Responses that help us to deal with emergencies, e.g increasing HR or BP. Neurons travel from here to all over the body.
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What is the parasympathetic nervous system?
Relaxes body after SNS takes action, reduces HR and BP.
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Card 2

Front

What is the central nervous system?

Back

Receives information from the senses and controls the body's responses

Card 3

Front

What is the peripheral nervous system?

Back

Preview of the front of card 3

Card 4

Front

What is the spinal cord?

Back

Preview of the front of card 4

Card 5

Front

What is the function of the spinal cord?

Back

Preview of the front of card 5
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