Question

the ____ is an important part of the endocrine system but is not itself an endocrine gland. pituitary hypothalamus pancreas adrenal gland

Explanation:

The hypothalamus is a key part of the endocrine - system as it controls the pituitary gland, but it is a part of the brain and not a traditional endocrine gland. The pituitary, pancreas, and adrenal gland are all endocrine glands.

Answer:

B. hypothalamus