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Because you touch yourself.

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Q: Why the persistence of a hormone in the blood is so limited?
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When calcium blood levels fall a gland in the body releases a special hormone?

Its the hormone calcitonin. Calcitonin lowers calcium and phosphate and increases the excretion of these ions by the kidneys; whereas the parathyroid hormone increases the amount of calcium in the blood.


What organ releases hormones which regulate blood glucose levels?

The so-called "Isles of Langerhans" in the pancreas produce the hormone, 'Insulin', which lowers high sugar levels in the bloodstream."Glucagon (GLOO-kuh-gone) is a peptide hormone also produced in the pancreas that raises low sugar levels in the bloodstream.


What hormone increased the amount of glucose in the bloodstream?

Amylin


What is the target organ of ACTH?

It is a hormone, so the target area is blood. It transfers to different organs through the blood.


Which hormone stimulates osteoclasts in the raising of calcium levels in the blood?

If you are looking for the one hormone that does this, then the answer is parathyroid hormone (PTH), produced in the parathyroid glands.A more technical description is given below:Three hormones act in the body to increase blood calcium levels to normal. These hormones are 1,25-Dihydroxycholecalciferol, parathyroid hormone (PTH), and calcitonin that originate respectively from the liver and kidneys, parathyroid glands, and thyroid glands. The first, 1,25-Dihydroxycholecalciferol (active vitamin D3), serves to increase calcium absorption from the intestine. The second, PTH, dissolves bone into the blood. The third, calcitonin, prevents the bone-derived calcium from being resorbed ("reabsorbed") into the bone from which it came via PTH. To summarize, these three hormones act in concert to raise calcium levels via external and internal routes.References: Ganong's Review of Medical Physiology, 23eKim E. Barrett, et. al. Chapter 23: Hormonal Control of Calcium & Phosphate Metabolism & the Physiology of Bone

Related questions

Why is the persistence of hormone in the blood so limited?

Because you touch yourself.


How is erythropoietin carried through the body?

It is a hormone. So mainly by blood


How does aldosterone get to the kidneys?

Aldosterone is a hormone, so it gets to the kidneys via the blood stream.


What is hormone responsible for?

Tetany is caused by a disturbance of the blood calcium level. So you can say vitamin D (also considered a hormone) plays a role in it. Also, the parathyroid hormone level has a direct effect on calcium levels.


What hormone dilates bronchioles increases heart rate?

There is not an actual hormone which increases blood pressure. However, the hormone adrenaline is secreted by the pituitary gland and has the effect of speeding up the contraction of the heart muscle. In turn this leads to increased blood pressure due to Fick's Law. The stroke volume of the heart has increased so more blood is being forced through the network of blood vessels


When both ovary are removed from rat then which hormone is decreased in blood?

When both ovaries are removed from a rat, the hormone that is decreased in the blood is estrogen. The ovaries are responsible for the production of estrogen, so their removal leads to a decrease in estrogen levels in the bloodstream.


What hormone is responsible for tetany?

Tetany is caused by a disturbance of the blood calcium level. So you can say vitamin D (also considered a hormone) plays a role in it. Also, the parathyroid hormone level has a direct effect on calcium levels.


Why are leydig cells located close to the capillaries?

because they are hormone-secreting and so they have to be in close contact with blood vessels


When calcium blood levels fall a gland in the body releases a special hormone?

Its the hormone calcitonin. Calcitonin lowers calcium and phosphate and increases the excretion of these ions by the kidneys; whereas the parathyroid hormone increases the amount of calcium in the blood.


What organ releases hormones which regulate blood glucose levels?

The so-called "Isles of Langerhans" in the pancreas produce the hormone, 'Insulin', which lowers high sugar levels in the bloodstream."Glucagon (GLOO-kuh-gone) is a peptide hormone also produced in the pancreas that raises low sugar levels in the bloodstream.


How does the body replace blood lost blood when injury has occurred?

The plasma is replaces in the short term by releasing ADH (Anti-Diuretic Hormone) into the blood streem. This hormone makes the body hold onto more water so the body can put it into the plasma. The red blood cells are replaces over time by the bone marrow of the larger bones.


What hormone increased the amount of glucose in the bloodstream?

Amylin