Fact 1: Most pituitary hormones control other endocrine glands.

Fact 2: Endocrine organs are ductless glands that secrete hormones into the bloodstream.

Given the two facts above, answer the question "Most pituitary hormones control other glands that secrete hormones into the what" with the following options: 
- brain
 - humans
 - epidermal
 - bloodstream
 - nerves
 - layers of fat
 - alveoli
 - liver


 

    bloodstream     