Explanation: Insulin regulates blood glucose level in the body. Almost all the cells in the body rely on insulin to take glucose for energy from the blood. . Insulin keeps the blood sugar level from getting too high or too low. Insulin is essential for living because lack of effective insulin can result in diabetes.
Insulin affects blood sugar it maintains it to be healthy. diabetics take insulin before meals so that their blood sugar does not go to high. your answer would be blood sugar.
