(: me : )

i know this isn't a subject but i just have to know this: do guys like you if they tease you every so often? because someone teases me every so often and i like them and i don't know of whether to take that as a sign that they like me back or what. : ) lol

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.