These are the liters of blood that the human body has


Most likely you have ever heard or read about liters of blood that the human body usually has, a figure that will depend on a series of important factors such as height, weight, gender and age but that, in general terms, responds to certain canons.

That is why in this article we wanted to focus on the answer to the question about how many liters of blood does the human body have, in addition to analyzing other important issues in this regard.

In the first instance, then, we can affirm that the Most experts agree that a normal number for the amount of blood it is between 7% and 8% of the weight of the person, resulting in 5 liters an average that tends to be taken as a parameter for ease.

Anyway, we must point out some details in this regard:

  • Average liters of blood for a baby: between 75 and 80 milliliters per kilogram
  • Average liters of blood for a child: between 70 and 75 milliliters per kilogram
  • Average liters of blood for a man: between 4.25 and 5.50 liters in total
  • Average liters of blood from a woman: about 4.25 liters in total

Of course, there are specially designed tests to diagnose with absolute certainty what is the volume of blood in a person’s body, which are usually applied in the treatment of diseases such as anemia, that is, a lack of iron in the blood.

How much blood can we lose or donate?

If as adults we have around 5 liters of blood, you probably want to know how much blood we can lose in the event of an accident, or donate in circumstances that require it.

When it comes to donations, the most common is that these have a measure of 473 milliliters, which is equivalent to about 10% of all the blood that is housed in our body.

This limit has been established because 20% of the blood in our body has under normal conditions can lead to a shock in which blood is not supplied to the tissues, a condition capable of causing irreversible damage to organs such as the brain.

It is precisely for this last reason that hemorrhages must be treated urgently, preventing blood loss above the maximum allowed from resulting in a clinical situation with the potential for mortality for those who have suffered a deep wound or injury.

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