Why is the function of the hormone insulin in regulating blood sugar level a good example of a negative feedback mechanism for maintaining homeostasis?

For people suffering from high blood sugar, the insulin helps decreases the amount of sugar in the system. The negative feedback in the system regulates the amount of sugar in the system in order to maintain the homeostasis in the body.

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.