Research Showing That Electrical Stimulation or Destruction of Certain Areas

Multiple Choice

Research showing that electrical stimulation or destruction of certain areas of the hypothalamus resulted in almost instantaneous increases or decreases in immune system response demonstrates that:

A) the nervous system and the immune system are independent systems.
B) the nervous system and the endocrine system communicate with one another.
C) the nervous system and the immune system communicate with one another.
D) the immune system and the endocrine system communicate with one another.