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Ch. 14 The Autonomic Nervous System and Homeostasis
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 14, Problem L2.1a

Using 20 or fewer words, define each of the following terms in your own words.
a. Sympathetic nervous system

Verified step by step guidance
1
Understand that the sympathetic nervous system is part of the autonomic nervous system, responsible for the body's 'fight or flight' response.
Recognize its role in increasing heart rate, dilating airways, and redirecting blood flow to muscles during stress or danger.
Note that it uses neurotransmitters like norepinephrine to activate target organs and tissues.
Identify its effects on energy mobilization, such as breaking down glycogen and releasing glucose into the bloodstream.
Remember that it works in opposition to the parasympathetic nervous system, which promotes 'rest and digest' functions.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Sympathetic Nervous System

The sympathetic nervous system is part of the autonomic nervous system that prepares the body for 'fight or flight' responses.
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Sympathetic Nervous System Example 3

Autonomic Nervous System

The autonomic nervous system regulates involuntary bodily functions, including heart rate, digestion, and respiratory rate.
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Somatic vs. Autonomic Nervous System

Fight or Flight Response

The fight or flight response is a physiological reaction that occurs in response to perceived harmful events, attacks, or threats.
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Steps of the Interferon Response