The dust inhaled by the human body directly enters the lungs, but the blood of the animals eaten is in the large intestine, and the digestive tract and the lungs are not connected with each other, so it is impossible to remove the dust in the lungs. But pig blood has the function of detoxification, which can clear the stomach, but it can't remove dust.

Nutritional analysis of pig blood;

1, pig blood has a high iron content, and it exists in the form of heme iron, which is easy to be absorbed and utilized by human body. Children in the growth stage and pregnant or lactating women eat more dishes with animal blood, which can prevent iron deficiency anemia and effectively prevent middle-aged and elderly people from suffering from coronary heart disease and arteriosclerosis;

2. Cobalt contained in pig blood is an important trace element to prevent the growth of malignant tumors in human body, which is difficult to obtain in other foods;

3, pig blood contains vitamin K, which can promote blood coagulation, so it has hemostatic effect;

4. Pig blood can also provide a variety of trace elements for human body, which is beneficial to the aftercare of malnutrition, kidney diseases and cardiovascular diseases, and can be used to treat dizziness, hematemesis and epistaxis, metrorrhagia, traumatic bleeding, convulsions and epilepsy.

5. In addition, pig blood can also remove the damage of harmful metal particles in human body; Modern medical research has found that protein in pig blood, after being decomposed by gastric acid, can produce a substance that can disinfect and moisten intestines. This substance can have a biochemical reaction with harmful metal particles entering the human body, and then take these harmful substances out of the body through excretion, which can be called a "scavenger" of human dirt.