Hormones and neurotransmitters are two types of chemical signaling molecules produced by animals, which are responsible for the behavior and attitudes of the organism. Hormones can be either proteins, lipids or cholesterol-based molecules. Neurotransmitters are proteins. The main difference between hormones and neurotransmitters is that hormones are produced in endocrine glands and are released into the blood [...]
NEUROTRANSMITTERS
