Which Statement Best Describes the Way in Which a Hormonal

Multiple Choice

Which statement best describes the way in which a hormonal system functions?

A) Hormonal systems are generally used to communicate very rapidly over long distances to provide very transient responses.
B) Hormonal systems operate independently of nervous systems in facilitating responsiveness to the environment.
C) Hormonal systems operate in an integrated fashion with nervous systems and are generally used to produce sustained responses to sustained changes in the environment.
D) Hormone systems control growth and reproduction while the nervous system controls homeostasis.
E) Hormonal systems only operate on the basis of negative feedback loops involving suites of hormones.