Drag each tile to the correct box.

Use your understanding of the amendment process to put the steps of convention approval in order.

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.

How does the nervous system affect the excretory system?

Which organelle breaks down sugar molecules that supply energy to the cell ?