1. Which of these would be found in a good narrative conclusion? "I'm not sure what really happened, but I do know that I'll think twice before entering someone else's house without permission.
"To be continued..."
"And then he woke up. That was a strange dream, he thought."
"I hope you learned something new and liked my story."

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.