In the anatomy of mammals, the diaphragm is a shelf of muscle extending across the bottom of the ribcage.
The diaphragm separates the thoracic cavity (with lung and heart) from the abdominal cavity (with liver, stomach, intestines, etc.).
In its relaxed state, the diaphragm is shaped like a dome.
For more information about the topic Diaphragm (anatomy), read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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