Question

Is the brain a muscle?

Answer 1

It is not a muscle but it behaves as a muscle. Strictly speaking and at the physical level, the brain is an organ, the most important one. However, there are some theories that describe the brain as a muscle in the sense that it can be trained to improve different cognitive functions like working memory or math skills.

Answer 2

Its not a muscle but it behaves like one. the brain is an organ