What is the likely source of organisms that grow best at 37 degrees celsius?

Most likely the source of the it and any other organism would be its parents. you see organism reproduce sexually or asexually. In asexual, the cell will just split into two when conditions are right like abundance of rescources, correct remperature etc. For sexual reproduction, it just has to have two organisms of opposite sexes

Ithink that its like 15 mph.

Calcinosis is the diagnostic term that means an abnormal buildup of calcium on the kneecap (patellar) surface. it is a term uses to describe a group of disorders in which calcium deposits form in the skin. it is also referred to the abnormal deposit of calcium phosphate.