What happy fact allows us to study animal brains to learn about human brains?

I believe the answer is: The information systems of humans and other animals operate similarly

Cutting down an actual human's brain to study its function would potentially cause serious health risk that could easily resulted in death. Because of this, we study the brain of another animal instead in order to create a general framework regarding how human brain is working.

hello again!

a is your answer!

answer; migrate from a region;