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436552273 anaphy

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ANAPHY REVIEWER
NERVOUS SYSTEM
Master control and communication system of the body
Communicates with body cells using electrical impulses which
are rapid and specific and cause almost immediate responses
FUNCTION OF THE NERVOUS SYSTEM
1. Sensory Input
Gathering information
To monitor changes occurring inside and outside the body
Changes: stimuli
Sensory organs
2. Integration
To process and interpret sensory input and decide whether
action is needed
Occurs in the CNS (brain)
3. Motor Output
A response to integrated stimuli
Activates muscles or glands (effectors)
ORGANIZATION OF THE NERVOUS SYSTEM
NERVOUS SYSTEM BASED ON STRUCTURAL
CLASSIFICATION
1. Central Nervous System
a) Organs
Brain and spinal cord
b) Functions
Integration; command center
Interpret incoming sensory information
Issue instructions based on past experience and current
conditions
2. Peripheral Nervous System
a) Nerves