👉 The term "branchiopneustic" is a medical term that refers to any organ system in the body, including the heart, lungs, and digestive tract. It also includes various components of the nervous system, such as nerves, muscles, blood vessels, and other organs. The term was first used by French physician Jean-Baptiste Lamarck in his work "L'Organisme et la Médecine" (The Body and Medicine) in 1795. Branch