The homeostatic control system component which transmits the
response is called the receptor.
To add, the receptor is <span>an organ or cell able to respond to light,
heat, or other external stimulus and transmit a signal to a sensory nerve.</span>
Carbon and hydrogen is the most abundant elements, respectively, in proteins.
Its a large ductless gland in the neck that secretes hormones regulating growth and development through the rate of metabolism.