What Principle Is Demonstrated by the Findings That Mechanical Stimulation

Multiple Choice

What principle is demonstrated by the findings that mechanical stimulation of the genitals elicits sex-related behaviors in animals whose spinal cord has been cut?

A) Sexual reflexes cannot occur without the brain.
B) The brain is not required for the sexual reflexes of erection and ejaculation.
C) Sexual orientation is dependent on spinal mechanisms.
D) Pathways from the hypothalamus to the spinal cord are key to sexual behavior.
E) Male sexual behavior can at times appear to be brainless.