GET BRAIN MODEL. OBJ: Given notes, video, activity sheet SWBAT explain the structures and functions of the Central and Peripheral Nervous Systems with.

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Presentation transcript:

GET BRAIN MODEL

OBJ: Given notes, video, activity sheet SWBAT explain the structures and functions of the Central and Peripheral Nervous Systems with 70% accuracy. BRING IN TEXTBOOK DN: 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 ; Complete Divisions of the Nervous System Booklet HW: Complete Divisions of the Nervous System Booklet; INERH Exam, March 23.

NERVOUS SYSTEM CENTRAL brain + spinal cord (grey) PERIPHERAL everything else (gold) SOMATIC concious, voluntary AUTONOMIC unconcious, involuntary Reflex Arc

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

Actual Human Central Nervous System

Central Nervous System Notes Brain: 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 & balance Brain Stem: primitive/basic involuntary activities (breathing, heartbeat, blinking eyes)

Central Nervous System Notes

Peripheral Nervous System Notes Peripheral 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)

Peripheral Nervous System Notes Reflex 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.

Reflex Action