How does blood test diagnose disease?

summary

Now there are a lot of free blood test activities for the elderly, which has attracted the attention of many elderly people. Why is it so popular? This is because many diseases can be diagnosed by means of blood test, but some people will ask, how does blood test diagnose diseases? Now let me introduce you to the following content

How does blood test diagnose disease?

First: blood is everywhere in our body. Once there is a problem in that part of our body, our blood is the first to bear the brunt. By judging the blood in this part, we can determine what is wrong with this part.

Second: when we are anemic, there will be dizziness and weakness in our limbs. This is because our blood transport capacity has declined and we have not been supplemented with fresh blood. Only when we have anemic symptoms, we can easily judge the result of anemia by means of blood test.

Third: white blood cells in our blood is to play the role of sterilization, but also belongs to the kind of suicidal cells, once we have white blood cells in our body die, our body will appear inflammation, through the various procedures of blood test, we can determine how white blood cells die, and then determine the disease.

matters needing attention

There are many functions of blood. Besides transporting oxygen, we can diagnose the body by blood test.