Which of the following statements is correct in relation to the endocrine system ?

Options

A. Releasing and inhibitory hormones are produced by the pituitary gland
B. Adenohypophysis is under direct 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 intercellular messenger are known as hormones

Answer

D

Explanation

Hormones are the chemical that are produced by glands in our body that are secreted in low amount and has short has life and function as messenger for gene expression.