Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
describe the nervous control of salivation and swallowing.
Expert Solution
Step 1
The nervous system is a collection of nerves and cells that send and receive signals from the brain and spinal cord to different body areas. It helps to regulate all body processes and maintain homeostasis.
Step 2
- Saliva: An autonomic nervous system is a form of the nerve system that controls saliva flow and the amount of saliva produced. By releasing the chemical acetylcholine, the parasympathetic nervous system stimulates the glands to produce more saliva.
- Swallowing: A central pattern generator in the medulla oblongata is responsible for medulla oblongata. The generator neurons accountable for initiating, forming, and controlling the sequential or rhythmic swallowing pattern are found in the dorsal medulla.
Hence, the autonomic nervous system and parasympathetic nervous system control and stimulates saliva production, and Medulla oblongata is responsible for medulla oblongata.
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