Which is an example of a negative feedback?

If it’s in science I know

Explanation:

1.when someone's pancreas stops producing the hormone that lowers blood sugar because the person hasn't eaten recently

2.when someone’s pancreas hormone increases every time they eat, but decreases when they aren’t eating

3. when a person takes calcium supplements so a gland will stop secreting a hormone that pulls calcium from the bones

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.