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Anatomy & Phisiol
Review of Nervous System
| Question | Answer |
|---|---|
| What are the functions of the nervous system: Integrates all body activity for homeostasis | 1. Monitors the internal and external environments 2. Integrates sensory information 3. Coordinates voluntary and involuntary responses of other organ systems by communication through electrochemical impulses & neurotransmitters |
| What does the central nervous system consist of | brain and spinal cord function: integrating, coordination of sensory and motor commands, processing |
| What is the peripheral nervous system | neural tissue outside the CNS function: delivers sensory information to the CNS and takes the motor commands to peripheral tissue and systems |
| What does the Afferent division do | sends information received from receptors to the CNS = sensory neurons |
| What does the Efferent division do | sends motor commands from the CNS to muscles, glands, and adipose tissues (effectors) = motor neurons |
| What does the somatic nervous system do | provides control over skeletal muscle contractions (it includes voluntary muscle under conscious control as well as involuntary movements of skeletal muscle under sub-concious control, i.e. somatic reflexes) |
| What does Autonomic nervous system do | provides involuntary control muscles, glands, and adipose tissues |
| What does the Parasympathetic system do | rest and digest |
| What does the sympathetic system do | fight or flight |
Created by:
viprow
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