Plant and cell sjahhshejajajshs
You have the nervous system and the hormones system those are two out of many
I would guess the rainforest or jungle but do you have any answer choices?
The portion of the brain that maintains the body's internal balance (homeostasis). The hypothalamus is the link between the endocrine and nervous systems. The hypothalamus produces releasing and inhibiting hormones, which stop and start the production of other hormones throughout the body.