The peninsula of Anatolia lay on the commercial land routes to Europe from Asia as well as the sea route from the Mediterranean to the Black Sea. Records from the 19th century BCE attest to the existence of an Assyrian merchant colony at Kanesh in Cappadocia (now in modern Turkey).
Hormones. Hormones. chemical substances having a specific regulatory effect on the activity of a certain organ or organs. The term was originally applied to substances secreted by various endocrine glands and transported in the bloodstream to the target organs.
Hormones are a kind of biochemical messengers. Most hormones are chemical substances produced by specialized tissue formations called endocrine glands. The substances are secr â¦ eted directly into the bloodstream, other body fluids, or into adjacent tissues.The purpose of hormones is to regulate metabolic activity of some other organs or tissues of the body.Three different ways hormones act: 1. Alter the rate of synthesis of your cellular protein. 2. Change the rate of enzyme activity. 3. Change the rate of transport of nutrients through the cell wall.he substances are secr â¦ eted directly into the bloodstream, other body fluids, or into adjacent tissues. The purpose of hormones is to regulate metabolic activity of some other organs or tissues of the body. Three different ways hormones act: 1. Alter the rate of synthesis of your cellular protein. 2.