EVERYDAY SCIENCE

SCIENCE

ENDOCRINE GLANDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What hormone lowers blood calcium?
A
Calcitonin
B
PTH
C
Glucagon
D
Insulin
Explanation: 

Detailed explanation-1: -Your thyroid releases calcitonin based on the level of calcium in your blood. When your blood calcium levels increase, your thyroid releases calcitonin in higher quantities. When blood calcium levels decrease, your thyroid decreases the amount of calcitonin it releases.

Detailed explanation-2: -Calcitonin-a hormone from the parathyroid which lowers the calcium-level of the blood.

Detailed explanation-3: -Parathyroid hormone (PTH) and calcitonin (CT) are two peptide hormones that play important roles in calcium homeostasis through their actions on osteoblasts (bone forming cells) and osteoclasts (bone resorbing cells), respectively.

Detailed explanation-4: -Calcitonin is also stimulated by gastrointestinal hormones such as gastrin. This has led to the unproven hypothesis that postprandial calcitonin stimulation could play a role in the deposition of calcium and phosphate in bone after feeding.

Detailed explanation-5: -Calcitonin is a hormone that helps control the level of calcium in your blood. Calcitonin is made in your thyroid gland by cells called “C cells.” Your thyroid is a small, butterfly-shaped gland in your neck. Normally, you have a small amount of calcitonin in your blood.

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