The component of a homeostatic control system which transmits the response is called the

The component of a homeostatic control system which transmits the response is called the receptor.
The receptor is the part of the human body that experiences everything - if you hurt yourself, that receptor will transmit the pain signal throughout the body, reach the brain, which will then make you react to pain in one way or another. 

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you