True or false. the function of insulin is to transport glucose from the blood into various cells.

true

Explanation:

rise in glucose triggers your pancreas to release insulin into the bloodstream. Insulin travels through the blood to your body's cells. It tells the cells to open up and let the glucose in. Once inside, the cells convert glucose into energy or store it to use later.

b) the heart is a pump made of muscle and that is difficult to grow in the lab.