My 1st time

This is my very very 1st time to donate blood.

At first, I doesn't want to donate, I'm very scared of the injection.

But then, many of my friends went to donate.

As what I learned in psychology, people always follow the dominant group, hahaha, I'm one of it.

Therefore, at last, I went to donate my blood :)

I keep on ask one pack of blood can save how many life?

Till now, I still can't get any answer.

At first, we go through some checkpoints, and they test what blood group are you.

My blood group is O.

At first, they inject a kind of liquid into my blood vessel.

Then, they took out a super big needle and poke into my blood vessel.

wthell, so big you know ! 

Yeah ^^ My friend who donate blood to save life !