In the endocrine system, chemical messengers called _____, which circulate through the _____, communicate information from one part of the body to another.
A) hormones; bloodstream
B) neurotransmitters; spinal cord
C) hormones; cerebrospinal fluid
D) endorphins; nervous system

Question

Quizplus · Accepted Answer

Hormones are the chemical messengers that circulate through the bloodstream and communicate information from one part of the body to another in the endocrine system. Neurotransmitters are used by the nervous system to communicate between nerves, and endorphins are a type of neurotransmitter involved in pain regulation. Cerebrospinal fluid is a fluid that surrounds the brain and spinal cord but does not directly facilitate communication between different parts of the body.

In the Endocrine System, Chemical Messengers Called _____, Which Circulate