Who is claude bernard and his contribution to biolody?

Claude Bernard was a French physiologist known as a pioneer in experimental medicine. He is best recognized for his work on the concept of homeostasis, which describes the body's ability to maintain stable internal conditions despite external changes. Bernard's research laid the foundation for understanding the functions of the pancreas and liver, as well as the role of the nervous system in regulating physiological processes. His emphasis on controlled experimentation significantly advanced the scientific method in Biology.