Learn About Blood

Did You Know?

  • 1 pint of blood can save up to 3 lives
  • Every 2 seconds someone needs a blood transfusion
  • 5 million patients in he US need blood every year
  • Less than 38 percent of the population is eligible to give blood
  • Blood cannot be manufactured; it can only come from volunteer donors
  • 30 million blood components are transfused each year
  • Platelets, criticle for cancer patients, have a shelf life of only 5 days
  • Adults have 10-12 pints of blood in their body - 1 pints is given during a donation
  • Only 7% of people in the US have the Universal donor blood type, O negative
  • The Red Cross started providing blood for patients in 1940
  • Donors can give blood every 56 dyas. Platelet donors can give every 3 days

See More Blood Facts and Statistics »

What Happens to Donated Blood?

Blood donations help millions of patients in need.  To make the journey from “arm to arm,” every unit goes through a series of steps and tests to ensure that it is as safe as can be.

Donation Process Steps Chart

All About Blood Types

All human blood may look alike, but you can’t donate to just anyone and you can’t receive blood from just anyone. Different blood types need to be matched correctly.

Play Games and Learn

Test your knowledge of blood types.

A fun way to learn blood terms.

Health and Wellness Information

Find valuable information on health and wellness. Healthy habits can help ensure you have the best donation experience possible: