Our circulatory system is a complex network that allows clean and nutrient-filled blood to travel through our body, feeding each organ, while oxygen-deprived and somewhat dirty blood is transported to be purified again. In all this procedure the veins, arteries and capillaries play a very important role, helping all the gear to work effectively to guarantee our well-being.

Wondering what the function of veins is? Keep reading because in this article we explain it to you in detail.

What are our veins for?

The function of the veins in our circulatory system is of great importance, as they are in charge of transporting blood from the organs and tissues to the left atrium of our heart.

The cardiac organ is in charge of pumping oxygenated and nutrient-rich blood through our body, a process that is carried out through the arteries. When nutrient-rich blood is conducted through the arteries, it oxygenates and nourishes the capillaries and, at the same time, all the waste from the tissues passes to the veins, which are responsible for distributing them to the different organs responsible for their elimination.

Veins transport blood that has already been used by tissues and organs and, therefore, has run out of oxygen, this is the reason why it is thicker because it is loaded with carbon dioxide and waste product nutrient combustion process. The veins are also responsible for distributing the blood full of waste to each of the organs responsible for its elimination:

  • The lungs, responsible for eliminating carbon dioxide.
  • The kidneys, which will remove sodium, calcium, potassium, magnesium, urea, ammonium, and bicarbonate.
  • The liver, which, thanks to the bile, will be able to eliminate waste such as the remaining bilirubin.

This procedure is essential for our health, since it is so important that the blood filled with oxygen circulates properly through our arteries as it is conducted through the veins to those organs in charge of cleaning them. The correct balance of this task guarantees our well-being.

Conditions that affect the veins

While the arteries are deep and cannot be seen with the naked eye, the veins are more superficial, which is why we can not only see them in some areas such as the forearm or wrists, but through them samples of blood that allow us to assess our health status by performing a blood test.

Some of the common diseases that can affect the veins are:

  • Varicose veins: occurs when the veins dilate and become unable to return blood to the heart, causing visible inflammation in the area, pain, discomfort and circulatory problems. Some habits can promote their appearance, so in our article how to avoid varicose veins we give you recommendations to prevent them.
  • Deep vein thrombosis: manifests when a clot forms in a deep vein in our body, a condition that must be treated as soon as possible to avoid complications.
  • Varicocele: this condition causes inflammation in the scrotum area that occurs when the veins dilate and become varicose, causing blood to return through the walls of the veins in the testicular area. In our article what are the symptoms of varicocele you will find more information about it.
  • Phlebitis– inflammation of the wall of a vein.
  • Buerger’s disease: This is an inflammation in the small veins of the extremities that occurs in smokers.

Any of these conditions must be diagnosed and cared for by a specialist to ensure a better quality of life.

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