Cells obtain energy from the blood with the help of
sweating batteries pancreas electron insulin alveoli oxygen sunlight
A B C D E F G H
Blood Glucose Blood Glucose Glucose is the principal source of energy for mammalian cells.
Insulin helps cells take up energy from the blood.
Cells obtain energy from the blood with the help of (A) sweating (B) batteries (C) pancreas (D) electron (E) insulin (F) alveoli (G) oxygen (H) sunlight