Homeostasis:The ability of organisms to maintain stable internal conditions despite changes in their external environment.
Autonomic Nervous System:The part of the peripheral nervous system responsible for regulating involuntary bodily functions such as heart rate, digestion, and breathing.
Neurotransmitters:Chemical messengers in the brain that transmit signals between nerve cells. They play a crucial role in regulating various body functions, including mood, sleep, and appetite.