Which of the Following Statements Is True of Stress and the Immune

Which of the following statements is true of stress and the immune system?

A) Unlike the central nervous system, the immune system possesses "sensory" elements, which receive information from the environment and other parts of the body.
B) Unlike the immune system, the central nervous system possesses "motor" elements, which carry out an appropriate response.
C) The immune system and the central nervous system are similar in their modes of receiving, and integrating, stress signals from the external environment.
D) Corticotropin-releasing hormone released by the central nervous system works against the immune system, thus disintegrating the unity between the stress and immune responses.