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Questions and Answers
Where do the parasympathetic nerves leave the CNS from?
Where do the sympathetic nerves leave the CNS from?
What is the function of the enteric nervous system?
What is the role of a ganglion in the autonomic nervous system?
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Study Notes
Autonomic Nervous System
- Parasympathetic nerves leave the CNS from cranial nerves III, VII, IX, X, and sacral nerves S2-S4.
- Sympathetic nerves leave the CNS from thoracic nerves T1-L2.
Enteric Nervous System
- The enteric nervous system is often referred to as the "little brain" of the gastrointestinal system.
- It is responsible for controlling the function of the gastrointestinal system, including the movement of food, secretion of digestive enzymes, and blood flow.
Ganglia in the Autonomic Nervous System
- A ganglion is a cluster of nerve cells outside the CNS that acts as a relay station for nerve impulses.
- In the autonomic nervous system, ganglia receive and process information from the CNS and transmit it to effector organs, such as the heart, blood vessels, and glands.
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Description
Test your knowledge of the autonomic nervous system with this quiz. Learn about the three divisions - parasympathetic, sympathetic, and enteric - and understand their functions and characteristics.
