Answer - Blood Flow
Reasoning - Insulin is used through out and mainly in the blood stream which relies it to stabilize through out the flow of the body
Developmental plasticity is a general term referring to changes in neural connections during development as a result of environmental interactions as well as neural changes induced by learning.
The exact definition is ‘a state of mutual trust and support between allies’. an example could be you and your friends. or friends in a book/movie/tv show.