Final answer:
Homeostasis is the balance of materials and energy that keeps you alive.
Step-by-step explanation:
The balance of materials and energy that keeps you alive is called homeostasis. Homeostasis is the ability of living organisms to maintain a stable internal environment despite changes in the external environment. For example, our body regulates its temperature, blood pressure, and blood sugar levels to ensure proper functioning.
Learn more about Homeostasis and its role in keeping living organisms alive