Assertion: skeletal system's bone | /r/HasProperty | convenient place
Facets:
Source sentences:
text: Fat is stored in the internal cavities of bones; bone itself serves as a storehouse for minerals, the most important of which are calcium and phosphorus; because most of the body’s calcium is deposited in the bones as calcium salts, the bones are a convenient place to get more calcium ions for the blood as they are used up.