C462 Blood Transfusion and Treatment!

In his previous life, Zhang Lingfeng was an Earthling. However, he knew very well that when a person was unconscious due to excessive blood loss, they could be saved by blood transfusion.

Just now, Zhang Lingfeng was communicating with the system about this matter.

Then, he found out from the system that he could save Lin Nuo by using the lifeblood in his body