Because it controls the pituitary gland, the brain's ultimately controls the endocrine system.

Because it , the brain's HYPOTHALAMUS ultimately controls the endocrine system.
The hypothalamus is the part of the brain that controls the endocrine system, it does this by linking up the nervous and the endocrine system via the pituitary gland. Hypothalamus functions by releasing hormones which either inhibit or stimulate production of hormones in the anterior pituitray gland.

Ithink its false. hope this : )

Iam not sure but to me it with be a or dsorry if i was late! hope this ! : )if you really want me to find out the answer that is correct tell me and i will do more research but the a or d makes sense to me.