The endocrine system
A) releases neurotransmitters into the bloodstream for distribution throughout the body.
B) is regulated mainly by positive feedback.
C) produces effects that last for seconds or minutes.
D) is not involved in homeostasis.
E) relies on the release of chemicals that bind to target cells.

Question

Quizplus · Accepted Answer

The endocrine system relies on the release of chemicals, known as hormones, that bind to specific target cells and produce a response that can last for seconds, minutes, or even days. The release of hormones is tightly regulated by negative feedback mechanisms to maintain homeostasis in the body.

The Endocrine System