system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In humans, the brain is considered to be "responsive":
assistant
The correct answer is  Ans. d. Its functions are profoundly affected by changes in external environmentIn humans, the brain is considered to be "responsive" as its functions are profoundly affected by changes in external environment.