A decrease in blood glucose levels will stimulate the pancreas to release glucagon which increases glucose levels in the blood. This is an example of a (blank) feedback system.

A decrease in blood glucose levels will stimulate the pancreas to release glucagon which increases glucose levels in the blood. This is an example of a (blank) feedback system.


A) positive
B) negative
C) positive and negative
D) positive or negative


Answer: B


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