get brain model. obj: given notes, video, activity sheet swbat explain the structures and functions...
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GET BRAIN MODEL
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OBJ: Given notes, video, activity sheet SWBAT explain the structures and functions of the Central and Peripheral Nervous Systems with 70% accuracy.
BRING IN TEXTBOOKDN: HW check- How The Nervous System Works Booklet; Video: Divisions of the Nervous System
ACT: Introduction to Central Nervous System and Peripheral Nervous System (Notes) Text, read p. 182-189; Complete Divisions of the Nervous System Booklet
HW: Complete Divisions of the Nervous System Booklet; INERH Exam, March 23.
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NERVOUS SYSTEM
CENTRALbrain + spinal cord (grey)
PERIPHERALeverything else (gold)
SOMATIC
concious, voluntary
AUTONOMIC
unconcious, involuntary
Reflex Arc
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Central Nervous System Notes
Central Nervous System (CNS):
“control center” of the body; consists of brain and spinal cord.
Brain: controls most functions of the body
Spinal Cord: links brain to Peripheral Nervous System
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Actual Human Central Nervous System
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Central Nervous System NotesBrain: consists of three (3) parts:
Cerebrum: processes sensory information, mental processes (thought: learning, remembering, judgement; conciousness); largest part of brain. Left Half: Math, Science (analytical) Right Half: Music, Art, (creativity)Cerebellum: muscle coordination & balanceBrain Stem: primitive/basic involuntary activities (breathing, heartbeat, blinking eyes)
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Central Nervous System Notes
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Peripheral Nervous System NotesPeripheral Nervous System (PNS): consists
of all nerves outside of the Central Nervous System. Subdivided into the Somatic & Autonomic Nervous System.
Somatic Nervous System: controls voluntary actions (ex: taking notes, writing)
Autonomic Nervous System: controls involuntary actions; reflex actions (ex: blinking, breathing)
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Peripheral Nervous System NotesReflex Action: autonomic response that occurs very rapidly and without concious control; helps to protect the body; muscle and spinal cord involvement but not the brain (see transparancy).
Nervous System Damage: Concussions and Spinal Cord injuries.
Concussion: bruise of the brain when brain collides against skull.
Spinal Cord injury: cut or crushed, resulting in paralysis (loss of movement) or death.
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Reflex Action
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