Answer:
3. Homeostasis
Explanation:
The state where our bodies maintain an internal equilibrium is called homeostasis.This process ensures biological systems keep on being stable while adjusting to changing conditions which are essential for survival.Homeostasis involves many chemical reactions for example, body hormones should be synthesized to breakdown other molecules; energy molecule called adenosine triphosphate is broken down to adenosine diphosphate to release energy that is used my enzymes in the body to break /build molecules
