every six months
People give blood to help other people that may have problems,disease,or may have been in an accident and have lost a lot of blood, (in which they may require a blood transfusion).
People with B blood type can only give blood to people with AB blood type providing that the Rh factor is the same between donator and receiver. (either both positive or both negative Rh)
Nope. People with AB blood are universal recipients, which means they can get blood from any donor. People with blood type O are universal donors, they can give blood to people of all other blood types.
If you need blood, people donate their own blood. If you really need some blood the doctors collect the donations and give you the other persons blood.
A blood give is when a medical business like a hospital or the red cross asks people to donate blood so they can use it to help people of the same blood type. it is also called a blood drive.
they ask people to donate blood so that they can give the blood to people who need it because they have lost alot of blood and or going to have a transplant or oporation.
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give people who need it
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No. They won't accept your blood
No if i am not mistaken people with O blood have to have their blood type back, however people with O blood can give to anyone in need.
There are a few steps to blood supply in the cross. They have to find people to give their blood.