Homeostasis:Homeostasis is the body's ability to maintain stable internal conditions despite external changes. It helps keep everything in balance, just like a thermostat that regulates temperature.
Ghrelin:Ghrelin is a hormone responsible for stimulating hunger. It's like your stomach growling and sending you signals that it's time to eat.
Insulin:Insulin is a hormone released by the pancreas that helps regulate blood sugar levels. It acts like a key that unlocks cells so they can absorb glucose from the bloodstream.