Which of the following statements is correct in relation to the endocrine system
A. Releasing and inhibitory hormones are produced by the pituitary gland.
B. Adenohypophysis is under neural regulation of the hypothalamus
C. Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
D. Non-nutrient chemicals produced by the body in trace amount that act as intercellulalr messenger are known as hormones.