In life, there are often friends around to donate blood. Although Xiaobian did not succeed in donating blood due to physical reasons, she still wanted to do her own meager strength. So what harm is blood donation? Let's have a look with sihai.com.
Why does blood donation not affect health? What is the effect of blood donation on the body?
Medical research has proved that if the blood loss does not exceed 10% of the total blood volume, the human body can quickly recover the total blood volume through the regulation of nerves and body fluids, without obvious cardiovascular dysfunction or other adverse consequences.
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Why does blood donation not affect health? What is the effect of blood donation on the body?
For a normal adult, 200 ml blood donation each time only accounts for 4% - 5% of the total amount of blood. The human body can be completely regulated and will not affect the health of the body. After blood donation, sometimes you will feel faster heartbeat, thirst, and want to drink water. These reactions are the regulation of nerves and body fluids in the body, which makes the body gradually replenish the plasma volume in a certain period of time after blood loss.
In addition, the loss of red blood cells after blood donation will be accelerated by bone marrow hematopoietic tissue, but this process is relatively slow, and generally takes several weeks to restore the number of red blood cells.
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