In normal metabolism, food intake is followed by the breakdown of foods in the mouth, stomach, etc... into a usable form called _______. This is carried to the cells by the bloodstream creating a normal sugar level in the blood. At the same time, the pancreas produces ______ which transports the glucose and aids in the entry of glucose into the cells for ready ___________ for future use, resulting in normal cell demands being met.
a. glucose
b. insulin
c. glycogen
d. energy
