Insulin and glucagon from the pancreas work in concert to keep blood sugar levels under tight control. In addition, hormones from other glands such as thyroxine and the glucocorticoids also play a role in keeping glucose levels in the appropriate range. Why are so many different hormones used to regulate blood glucose levels?

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    because glucose plays a role in keeping ions inside and outside of cells in balance
    because glucose is used exclusively for energy by all the tissues of the body
    because, unlike other tissues of the body that can use proteins or fats for energy, the brain has to have glucose for energy
    because glucose is used to help carry oxygen in the blood

asked May 30, 2013 in Biology by anonymous
    

1 Answer

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because, unlike other tissues of the body that can use proteins or fats for energy, the brain has to have glucose for energy
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)

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