14 Questions
What is the primary function of the thorax in relation to breathing?
To provide movement for air into and out of the lungs
What is the main role of the diaphragm in breathing?
To expand the thoracic cavity
Which organs are protected by the thorax?
The heart, lungs, and great vessels
What is the shape of the diaphragm?
Upward domed
Which organs lie under the right dome of the diaphragm?
The liver
What is the function of the mediastinum?
To act as a conduit for structures between body regions
Which structures pass through the mediastinum?
The esophagus, vagus nerves, and thoracic duct
What is the origin of the phrenic nerves?
The neck
Where do the posterior aspects of the superior poles of the kidneys lie?
On the diaphragm, anterior to ribs XI and XII on the right, and to ribs XI and XII on the left
What is one of the key elements in breathing?
Up and down movements of the diaphragm
Which abdominal viscera are protected by the thoracic wall?
Stomach, spleen, and liver
What is the purpose of the ribs in breathing?
To change the lateral and anterior dimensions of the thoracic wall
What passes through the mediastinum from the abdomen to the neck?
Esophagus, vagus nerves, and thoracic duct
What is the purpose of the thorax with respect to vital organs?
To house and protect vital organs
Learn about the importance of the thorax in breathing, its role in moving air into and out of the lungs, and how it protects vital organs. Understand the mechanism of breathing and the functions of the diaphragm, thoracic wall, and ribs.
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