Cos Sci: Identify Chpt 06 - Nervous System

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Neurology

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The study of the structure, function and pathology of the nervous system.

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Central Nervous System

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Consists of brain, spinal cord, spinal nerves, and cranial nerves; controls consciousness and all mental activities and voluntary functions including the 5 senses (touch, smell, sight, taste, hearing).

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Peripheral Nervous System

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Connects outer parts of body (limbs) to central nervous system; carries impulses/messages to and from central nervous system.

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Autonomic Nervous System

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Controls involuntary muscles; regulates action of smooth muscles, glands, vessels, heart.

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Sensory Nerves (afferent nerves)

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Carry messages from sensory organs to the brain, where sensations are experienced (touch, smell, sight, etc).

Front

Motor Nerves (efferent nerves)

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Carry impulses from the brain to muscles.

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Fifth Cranial Nerve

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Largest cranial nerve; chief sensory nerve of the face and motor nerve of muscles that control chewing.

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Seventh Cranial Nerve (facial nerve)

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Chief motor nerve of face; controls all facial expression.

Front

Eleventh Cranial Nerve

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A motor nerve that controls the motion of the neck and shoulder muscles.

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Digital Nerve

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Supplies impulses to fingers.