Which structure in figure regulates the level of calcium in the blood?
Correct answer: D. F
- A. C
- B. D
- C. A
- D. F
Explanation
In figure, option F shows parathyroid gland. The parathyroid gland secretes parathyroid hormone (PTH), which helps regulate calcium levels in the blood by stimulating the release of calcium from bones, increasing calcium reabsorption in the kidneys, and increasing absorption of calcium from the intestines.
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