The endocrine system involves communication by chemical messengers called _____, which circulate through the _____.
A)hormones; bloodstream
B)neurotransmitters; spinal cord
C)hormones; cerebrospinal fluid
D)endorphins; nervous system

Question

Quizplus · Accepted Answer

The endocrine system communicates through hormones, which are chemical messengers that circulate through the bloodstream. The other options are incorrect: neurotransmitters are used by the nervous system, not the endocrine system; cerebrospinal fluid is not involved in the endocrine system's communication process; and endorphins are a type of hormone, but they are not the only ones used in the endocrine system.

The Endocrine System Involves Communication by Chemical Messengers Called _____