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EXSC 224 Exam 1 (Ray) Questions and Answers 100% Solved | Latest Update
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EXSC 224 Exam 1 (Ray) Questions and Answers 100% Solved | Latest Update Sensory Input - Information gathered by sensory receptors about internal and external changes Integration - To process and interpret sensory input and decide if action is needed Motor Output - Activation of effector organ...

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  • December 23, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • EXSC 224
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EXSC 224 Exam 1 (Ray) Questions and

Answers 100% Solved | Latest Update


Sensory Input - ✔✔Information gathered by sensory receptors about

internal and external changes

Integration - ✔✔To process and interpret sensory input and decide if action

is needed

Motor Output - ✔✔Activation of effector organs (muscles and glands)

produces a response

Central Nervous System - ✔✔Brain and spinal cord, which occupy the

dorsal body cavity.

-Control center of the nervous system.

-Interprets sensory inputs.

-Dictates motor output based on reflexes, current conditions, and past

experience.

Peripheral Nervous System - ✔✔Part of the nervous system outside the

CNS.



1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

, -Consist mainly of NERVES that extend from the brain and spinal cord, and

ganglia.

-SPINAL NERVES carry impulses to and from the spinal cord, and

CRANIAL NERVES carry impulses to and from the brain.

****These peripheral nerves serve as communication lines that link all part

of the body to the CNS.

PNS 2 Functional Subdivisions - ✔✔1) Sensory afferent division

2) Motor efferent division

Sensory or afferent division - ✔✔****Carrying toward

Consist of nerve fibers (axons) that convey impulses to the central nervous

system from sensory receptors located throughout the body.

Motor or efferent division - ✔✔****Carrying away

The PNS transmits impulses from the CNS to effector organs, which are

the muscles and glands. These impulses activate muscles to contract and

glands to secrete. In other words, they effect a motor response.

Somatic nervous system - ✔✔Composed of somatic motor nerve fibers that

conduct impulses from the CNS to skeletal muscles.

****Often referred to as the voluntary nervous system (it allows us to

consciously control our skeletal muscles)


2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

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