Blood Bank Say: blud bank No one deposits money in this kind of bank! Blood banks collect and store blood, which healthy people donate. The bank keeps blood ready in case someone needs it because of an accident or surgery. Back to Articles Related Articles Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor. © 1995-2021 KidsHealth®. All rights reserved. Images provided by The Nemours Foundation, iStock, Getty Images, Veer, Shutterstock, and Clipart.com.