Which of the following statements accurately describes the role of the hypothalamus in autonomic nervous system regulation?

• A. The hypothalamus directly innervates peripheral organs to control autonomic functions.
• B. The hypothalamus integrates autonomic functions through its connections with the limbic system and brainstem.
• C. The hypothalamus releases neurotransmitters directly into the bloodstream to modulate autonomic activity.
• D. The hypothalamus is solely responsible for the activation of the parasympathetic nervous system.

Answer: (B)