Hormone a substance chemical that is endocrine, and made to the inside of the blood flow down. This article on the cells of the target receiver, and sit on it, apply the cell changes. The amount of hormones by the Communications Complex, the members of the device endocrine together with the nervous system can be regulated.

in the human body, two general types of hormones: there are hormones , such as sex hormones and amino acid. Hormone receptors, acidic in the cells the target is located and hormone receptors, within the cytoplasm or the nucleus.