Which one of the following hormones stimulates the release of milk from the breast?
a. prolactin
b. progesterone
c. hcg
d. oxytocin

lol it was d i just took the test

i believe the answer is a. but i don't know for sure

hope this

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.