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.
What did one cell say to his sister cell that stepped on his toe?
Mitosis!
The answer is sediments because sediments break down and are every where on earth also break down due to weathering
Muhammad (s.a.w) started the spread of islam with his family members and close friends by reciting verses from the Quran to them