ENDOCRINE SYSTEM
PARATHYROID
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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To increase the amount of calcium in the blood so that it is available for the bones
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To decrease the amount of calcium in the blood so that it is available for the bones
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To break down bones to release calcium into the blood
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To build up bones
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Detailed explanation-1: -Calcitonin is a hormone that your thyroid gland makes and releases to help regulate calcium levels in your blood by decreasing it. Calcitonin opposes the actions of the parathyroid hormone, which is a hormone that increases your blood calcium levels.
Detailed explanation-2: -Parathyroid glands produce parathyroid hormone, which plays a key role in the regulation of calcium levels in the blood. Precise calcium levels are important in the human body, since small changes can cause muscle and nerve problems.
Detailed explanation-3: -Calcitonin is secreted by the parafollicular cells of the thyroid gland. This hormone opposes the action of the parathyroid glands by reducing the calcium level in the blood. If blood calcium becomes too high, calcitonin is secreted until calcium ion levels decrease to normal.