What role does insulin serve in our body?

Insulin is a hormone made by the pancreas that helps your cells bring in sugar. So people who have diabetes have high blood sugar because the sugars in the blood aren't in the cells. So basically they starve to death because they're eating eating eating but the energy stays in the blood but not in the cells.

It also regulates the body stores sugar and fat.

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.