What is the role of a receptor in helping an organism maintain homeostasis? A. It receives messages sent by the control centre.

B. It carries out a response to restore internal conditions.

C. It detects stimuli and sends information to the control centre.

D. It compares current conditions with ideal values for those conditions.

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.