Fun Fact About Kidneys: Double Organ With Important Tasks

Fun Fact About Kidneys: They are about the size of a fist, look like beans and each weigh only around 120 to 200 grams. Even if they are small: our kidneys form a strong duo and are real “multitasking” artists, because they take on many vital tasks. They filter toxins, regulate our blood pressure and our fluid balance, produce important hormones and support the acid-base balance.

One of the most important functions of the kidneys is blood purification. The blood reaches the kidneys via the renal arteries, where it is cleaned by thousands of special, microscopic filter systems – the nephrons . These filter drug residues and waste materials that our metabolism cannot utilize out of the blood and form what is known as primary urine.

However, this cannot be excreted in this way because, in addition to harmful substances, it also contains vital substances (e.g. glucose, salts, water) that the body must not lose. Another filtration or concentration step is therefore necessary.

The primary urine is now passed through the renal tubules (tubules) and concentrated into terminal urine or urine . Around 99 percent of the filtrate is reabsorbed, i.e. fed back into the system, and only the rest is processed into urine.

The kidneys then release this urine through the ureters into the bladder, from which it is eliminated from the body through the urethra. In this way, toxic substances and waste products get out of our body that could otherwise harm it. The kidneys are thus our body’s own cleansing and detoxification station.

10 Fun Fact About Kidneys:

By the way, the kidneys filter all of our blood up to 300 times a day. That corresponds to a throughput of around 1500 liters!

Facts – 1

The kidneys not only filter our blood, but also keep it in the correct pH range. This may only fluctuate slightly in humans. Blood that is clearly too acidic or too basic would inevitably lead to death.

The kidneys also regulate the level of various minerals such as sodium, potassium and magnesium in the blood.

Facts – 2

Our kidneys produce several important enzymes and hormones at the same time. This includes erythropoietin (EPO for short), which is involved in the formation of red blood cells. Because of its performance-enhancing effect, this hormone is also misused as a doping agent.

The kidneys are also able to produce vitamin D if too little of it is produced from the sun and our skin.

Facts – 3

World Kidney Day has been held annually since 2006, always on the second Thursday in March. The aim of this international day is to point out the strong achievements of the double organ. The aim is to show people the importance of having healthy kidneys and what they can do to keep their kidneys healthy. This year the focus is on the increasing number of kidney diseases worldwide and how they can be prevented.

Facts – 4

A US study has shown that men whose weight was less than 2,500 grams at birth suffer comparatively often from kidney problems. They are about 65 percent higher risk of developing kidney disease than men who were heavier at birth. The reasons for this have not yet been adequately researched.

Science has also not yet been able to clarify why this connection between birth weight and kidney problems does not seem to apply to women.

Facts – 5

Kidney stones are a common kidney disease. They are usually deposited in the kidney ducts or in the ureters. They rarely grow larger than a pearl ball, but they can still cause severe pain. Depending on the type of kidney stone, a diet rich in vitamins and fiber can have a preventative effect.

American researchers have also found that a type of bacteria can inhibit or prevent the development of certain kidney stones. “Oxalobacter formigenes” lives in the human colon and forms an important enzyme that breaks down the substance “calcium oxalate”. The lower the content of this substance in our body, the lower the likelihood that kidney stones will form from it.

Facts – In addition to kidney stones, there are numerous other, more serious kidney diseases. These include inflammation in the renal pelvis or on the blood vessels, as well as cysts and kidney cancer. In addition, diabetes and longstanding high blood pressure are the biggest causes of irreparable kidney damage.

Facts – 7

According to current estimates, Many People have impaired kidney function- often without knowing it. Around 70,000 of them have kidneys so weak that they can no longer adequately cleanse the blood. You must therefore regularly undergo “hemo” dialysis (blood washing).

Sometimes even this is not enough and a transplant becomes necessary.

Facts – 8

In 2021, around 23,401 people were transplanted in World. They come mainly from deceased people who had consented to the removal by means of an organ donation card. Because the demand for donor kidneys is so high, healthy people can also donate one of their kidneys. This happens as part of a voluntary “living kidney donation”, in which the donor and recipient must be in a family or a very close personal relationship. A prominent example is Federal President Frank-Walter Steinmeier, who donated one of his kidneys to his sick wife.

Facts – 9

Most people can live with one kidney without any problems. If a kidney is removed, the total output of the double organ logically drops by half. The remaining healthy kidney increases its activity after just a few months. It can then achieve up to 80 percent of the performance that both kidneys previously performed together.

Facts – 10

The kidney recipients also usually get along well with the donor kidney. According to estimates, the chances are high that the donated kidney is functioning in the foreign body. A study has also shown that the kidney should ideally be transplanted during the day because fewer complications then occur during the operation.

The researchers have also found that after five years, over 90 percent of the “day” kidneys are still functioning, compared with only around 80 percent of the “night” kidneys.

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