50 POINTS Eating peanut butter on whole wheat toast causes the blood glucose level to increase. When this happens, glucose from the blood is then absorbed by the muscles and liver. Which feedback mechanism is used to regulate blood glucose?

OA) a positive feedback loop because the blood glucose level was returned to the set point, not amplified

OB) a negative feedback loop because the blood glucose level was returned to the set point, not amplified

OC)a negative feedback loop because the blood glucose level was amplified, not returned

OD) to the set point a positive feedback loop because the blood glucose level was amplified, not returned to the set point