Blood on the human body roughly six

If you are a student or are planning to donate blood, then you must read, because most students are too naive。Recent blood donation overwhelming destructive fallacy in the body, and today we do a reasonable explanation。
First, what are the three first blood cells are contained in the blood in the blood; erythrocytes, leukocytes, platelets。Each consisting of blood are its special features。Second, the blood can cause weakening and even loss of function blood。Simply speaking, a reduction of red blood cells causes the body to various parts of organs can not get enough oxygen, the vital functions of cells can not function properly, resulting in dizziness after donation because the brain does not get enough oxygen。
Leukopenia would decrease the body's ability to resist the virus, easy to get sick。Weakness after donation is for this reason, the decline in immunity to influenza viruses have been insignificant be an opportunity。Thrombocytopenia will make difficult to heal wounds。
Thrombocytopenia is the main reason resulting leukemia。
Perhaps you will say, we will say to donate blood after the body will produce enough blood to add, but you know all blood cells are hematopoietic stem cells made in the bone marrow。Hematopoietic stem cells have a lifespan of。
The book says 2 weeks after blood donation, blood of the capacity will supplement a full (but note: to add what is plasma, blood and plasma are two concepts)。Blood donors will feel thirsty, is to add plasma, blood bank will provide free syrup or milk is for this reason。More related knowledge, please pay attention to the public health network Grandview Micro Signal: Grandview -COM (Long press to add a copy), health, health experts online to answer your questions, you can also press the right attention fast two-dimensional code!。