Options are:
A). sweating
B). batteries
C). pancreas
D). electron
E). insulin
F). alveoli
G). oxygen
H). sunlight
Q: Fact 1: Insulin helps cells take up glucose from the blood. Fact 2: Blood Glucose Blood Glucose Glucose is the principal source of energy for mammalian cells. Given the two facts above, cells obtain energy from the blood with the help of?
A:
E).