Which best describes the role of a negative feedback loop?

The output is reduced so the body can maintain homeostasis

The output builds so the body can maintain homeostasis

Hormone levels In the blood increase to increase effects

Hormone levels In the blood decrease to increase effects

The role of the negative feedback loop is,

that the output is being reduced so that the body can maintain homeostasis.

The negative feedback loop is a homeostatic control mechanism through which levels of hormones are maintained within a narrow range by feeding the product back to decrease its production.