Select the wrong statement about the endocrine system and hormones. 

• A

  The new definition of hormone covers a number of new molecules in addition to the hormones secreted by the organised endocrine glands.

• B

  Several non-endocrine tissues secrete hormones called growth factors.

• C

  The pituitary gland secretes releasing and inhibiting hormones which regulate other endocrine glands.

• D

  All hormones produce their effects on target tissues by binding to intracellular hormone receptors.