What Is a Hormone

Multiple Choice

What is a hormone?

A) a chemical released from a nerve cell that affects nearby cells across a synapse
B) a chemical released from an endocrine gland that affects target cells without entering the bloodstream
C) a chemical found in the blood that catalyzes the destruction of ingested toxins and foreign substances
D) a chemical excreted from sweat gland that signals other individuals about the physiological status of the body
E) a chemical regulator secreted from an endocrine gland that travels through the bloodstream to affect target cells