The hypothalamus and pituitary link the activities of the endocrine system and nervous system by

The hypothalamus and pituitary link the activities of the endocrine system and nervous system by
  a. neurohormones being secreted in response to the summation of neural messages that enter
  the hypothalamus.
  b. shifts in hormonal concentrations being detected by the anterior pituitary.
  c. pheromones being secreted as a response to photoperiodic stimuli.
  d. the nervous tissue of the anterior lobe of the pituitary sending stimuli to the glandular
  tissue of the posterior pituitary to produce hormones that will be secreted by the
  hypothalamus.
  e. direct neural connections.

Question 2

Which is an example of an organ that is nervous in origin, structure, and function but secretes
  substances into the bloodstream?
  a. anterior pituitary
  b. posterior pituitary
  c. pancreas
  d. adrenal cortex
  e. testis