Year 9 The Nervous System: Sub-Systems + Parts of the Brain
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22 Terms
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Central Nervous System
Responsible for receiving + sending info + how to respond
Made up of brain and spinal cord
Made up of brain and spinal cord
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Peripheral Nervous System
Responsible for carrying messages to + from CNS + body
Made up of nerves
Made up of nerves
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Autonomic Nervous System
Responsible for controlling involuntary action
(E.g. heartbeat, digestion, respiration etc.)
Part of PNS
(E.g. heartbeat, digestion, respiration etc.)
Part of PNS
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Somatic Nervous System
Responsible for controlling voluntary muscle movement
(E.g. walking, waving etc. )
Part of PNS
(E.g. walking, waving etc. )
Part of PNS
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Sympathetic Nervous System
Responsible for "fight or flight" response
(E.g. speeding up heart rate, dilated pupils, dilates bronchi etc. )
Part of ANS
(E.g. speeding up heart rate, dilated pupils, dilates bronchi etc. )
Part of ANS
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Parasympathetic Nervous System
Responsible for "rest + digest" response
(E.g. constricts pupils, stimulates saliva flow, constricts bronchi etc. )
Part of ANS
(E.g. constricts pupils, stimulates saliva flow, constricts bronchi etc. )
Part of ANS
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The Brain
Controls + regulates body functions
Contains ~100 billion neurons
Contains ~100 billion neurons
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Cerebrum
Controls conscious thoughts + voluntary movement + recieves sensory info from body
80% of brain
80% of brain
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Left Hemisphere
Language, math + logical thinking
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Right Hemisphere
Creative + emotional
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Frontal Lobe
Controls higher order, executive functions
Includes: emotions, reasoning, movement + problem solving
Located at front of brain
Includes: emotions, reasoning, movement + problem solving
Located at front of brain
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Parietal Lobe
Manages perception of senses
Includes: taste, touch, pain temperature + pressure
Located between frontal + occipital lobes
Includes: taste, touch, pain temperature + pressure
Located between frontal + occipital lobes
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Temporal Lobe
Processes sensory info
Mostly sound, smell, recognising language + forming memories
Located below parietal lobe, near temples
Mostly sound, smell, recognising language + forming memories
Located below parietal lobe, near temples
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Occipital Lobe
Responsible for vision
Interprets depth, distance, location + identity of visible objects
Located at back of brain
Interprets depth, distance, location + identity of visible objects
Located at back of brain
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Thalamus
Processes sensory info + sends to cortex
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Hypothalamus
Keeps body in homeostasis (stable state)
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Pituitary Gland
Controls release of hormones
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Cerebellum
Responsible for coordination + balance
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Brainstem
Controls body's vital functions
(E.g. breathing, blood pressure etc. )
(E.g. breathing, blood pressure etc. )
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Medulla
Controls automatic functions
Part of brainstem
Part of brainstem
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Pons
Assists in automatic functions
Part of brainstem
Part of brainstem
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Midbrain
Receives + processes sensory info
Part of brainstem
Part of brainstem
Note 
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