Given a scientific question, generate a correct answer to it.
Example: Who proposed the theory of evolution by natural selection?
Example solution: darwin
Example explanation: This is a direct fact that Charles Darwin proposed the theory of evolution.

Problem: The human skeleton is an endoskeleton that consists of 206 bones in the adult. it has five main functions: providing support to the body, storing minerals and lipids, producing blood cells, protecting internal organs, and this?
Solution: allowing movement