Umm lol idk if that's a real question
Every time I would say, but often is the answer as theory should be revised, and also done practically so that you don’t forget the concepts
Answer:
The human skeleton is the internal framework of the body. It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together.
Explanation:
I think what you're asking is genetics?