What happens when blood glucose levels fall below normal? 1. the pancreas releases insulin. 2. the pancreas releases glucagon. 3. the pituitary gland releases insulin. 4. the pituitary gland releases glucagon.

2. the pancreas releases glucagon

Explanation:

its not 1 because insulin is used to decrease blood glucose levels.

its not 3 because the pituitary gland does not produce insulin and insulin is not needed

its not 4 because the pituitary gland does not release glucagon.

it IS 2. because the pancreas DOES produce glucagon and GLUCAGON is needed to move GLUCOSE into the blood stream.

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