Medical Terminology for Health Professions, Spiral bound Version (MindTap Course List)
8th Edition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Chapter7: The Respiratory System
Section: Chapter Questions
Problem 39LE
Related questions
Question
What is the role of diaphragm?
Expert Solution
Step 1
Diaphragm
The diaphragm is a large dome-shaped skeletal muscle. It is present just below the lungs and heart.
Diaphragm contract and expand in a repetitive manner, results in an increase and decrease in the volume of thoracic cavity.
Rhythmic movement of the diaphragm is controlled by the phrenic nerve.
There are three openings present in the diaphragm -
-
Esophageal opening- Esophagus passes through this opening.
-
Caval opening - Inferior vena cava passes through this opening.
-
Aortic opening- The aorta passes through this opening.
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