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 found in the sweat 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