store fuel for later use. regulate the amount of glucose in the blood. increase the efficiency of fuel consumption. prevent digestive bacteria from consuming glucose.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The primary function of insulin in our bodies is to
Possibilities:
- store fuel for later use.
- regulate the amount of glucose in the blood.
- increase the efficiency of fuel consumption.
- prevent digestive bacteria from consuming glucose.

regulate the amount of glucose in the blood.