Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332



Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem

_______ lowers blood sugar levels; ________ raises it.

  1. a. Glucagon; insulin
  2. b. Insulin; glucagon

Summary Introduction

Concept introduction: The blood glucose or sugar level in our body is maintained by the certain hormones that are known as insulin and glucagon produced by beta cells and alpha cells of the pancreas, respectively. These hormones help to balance the sugar level from getting too high to too low. Insulin is produced to reduce the blood sugar level when it is too high and glucagon is produced when the blood sugar is too low.


Reason for the correct answer:

In the body, the levels of hormones should be normal, otherwise it will lead to undesired conditions and improper functioning of significant cells. Normally, the body produces insulin when the sugar level is very high. At the same way, glucagon is produced when the sugar level in the body is too low. Glucagon hormone can produce glucose molecules through the breakdown of glycogen that stored in the liver.  An increase in the glucose molecule makes the sugar level back to normal.

Option b...

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