Reason 038

O-negative blood can be transfused to any patient.

Blood
Reason 016

You must be between the ages of 17-35 to become a stem cell registrant.

Stem Cells
Reason 043

Because someone asked.

Plasma
Blood
Reason 035

No matter the season, the need for blood is constant.

Blood
Reason 030

Leukemia patients need up to 8 units of blood a week.

Blood