Assertion: diaphragm | /r/HasProperty | a layer of muscle
Facets:
Source sentences:
text: The diaphragm, also known as the thoracic diaphragm as a nod to the fact that humans also have another muscle with a similar name, is a layer of muscle positioned within and across the bottom of the rib cage.
text: The diaphragm is a layer of muscle positioned inside the lower portion of the rib cage.