"Indeed, blood is broadly divided into four categories, type A, B, AB and O. ”

Wei Ziyao said as she quickly took pen and ink from the side and wrote it on a piece of paper for him.

Guardforce asked curiously, "What is A and what is B?"

"It's a pronoun, a number. Wei Ziyao explained to him in the simplest way: "Blood type A and blood type B cannot be transfused to each other, it is a complete rejection ......"

She talked to Guardforce in detail about the rejection and acceptance of blood types.

Guard's face was humbly taught.

"In other words, only blood type O can be transfused for all blood types, and type AB can basically accommodate all blood types?"

That's pretty much what it means. Wei Ziyao nodded: "If there is an error in blood type, there is a rejection reaction after the blood transfusion, and the person will die." ”

"I see, I've always felt that I was a step behind, it turned out to be here. ”

Wei An nodded: "Then how can you tell the difference?"

"This. Wei Ziyao pretended to take out a small square pile of paper from her purse.

"This is called a blood type test strip, and if it is a type A white test strip, it will slowly turn yellow, type B will turn blue, AB will turn green, and type O will turn lavender. ”

After Wei Ziyao introduced him, he handed the box of 100 test strips to Wei An.

"You can use this, I wrote down the method on paper for you, if in the barracks, someone needs an emergency blood transfusion, you can use this to test the blood type. ”

Guardan really likes to chat with Wei Ziyao now.

It's not because of anything else, it's because of too much knowledge.

He even had a kind of admiration for this little girl.

"So what? What does this have to do with the second aunt?"

"Speaking of this, I want to say a very rare blood type, this blood type is very rare, not among them, it is a blood type derived from it, it just so happens that the second aunt is this 1 in 10 million chance, coincidentally Wei Shuo and Wei Yiyi have not inherited her blood type, like this rare blood type is kept, maybe it will be useful. ”

"I see. Wei An nodded, and then recklessly reached out to grab Wei Ziyao.

"Go, I'll go with you to intercede with her. ”

"Brother, it's midnight, you can't wait until tomorrow morning to go?"

"No, you can't. Saying that, Wei An dragged her out: "There are some things, since you want to do them, you must do them now." ”

At first, Wei Ziyao didn't know what he meant.

Until she saw Wei Shuo and Wei Yiyi kneeling at the door of Wei Heng, she understood.

Guardforce is really not a good person.

It is not their turn to do good deeds without leaving a name.

Since you want to do it, everyone knows that you have to do it, especially ...... Both of them.

"Sister!" Wei Shuo saw Wei Ziyao coming, so he pounced directly, tears streaming down.

"Sister, are you here to help my mother intercede?"

Wei Shuo said this, and Wei Yiyi pinched him beside him: "Still call your mother, remember the rules!"

"You, are you here to intercede for the second aunt?"

Sure enough, in this deep house compound, the concubines and concubines are not qualified to call their mothers as mothers, they can only be called aunts, and they can be called housemothers and mothers.

They don't have mothers.

The rules are like this, it turns out that Wei Heng is not at home, they are already too unruly.

"Yes, I'm here to intercede. ”

"Really, thank you, sister!" Wei Shuo burst into tears, and Wei Yiyi also wiped her tears on the side.

At this time, Guardforce was on the side to help......