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12-09-2022
Biology

Answered

Question 34 of 34
In the feedback system that maintains normal calcium ion levels in the blood,
how does the thyroid gland respond to levels that are too high?
4
A. It releases calcitonin, which increases reabsorption of calcium
ions in the kidneys, thus raising blood calcium levels.
B. It stops releasing calcitonin, which increases calcium deposition
in the bones, thus raising blood calcium levels.
C. It stops releasing calcitonin, which increases calcium deposition
in the bones, thus lowering blood calcium levels.
D. It releases calcitonin, which lowers reabsorption of calcium ions in
the kidneys, thus lowering blood calcium levels.
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