Why is O blood a universal donor? 🤔 | Easy science lesson

Blood Donation Guide

Why do blood types matter? - Natalie S. Hodge

'This is a gift' says universal blood type donor

O- is the universal donor! O negative blood type information and top ways to give

Which blood group is known as universal donor?#gk @GKMCQ20

Compatible blood transfusions

which blood type is the universal donor

Blood Group 🩸

The World's Most Dangerous Blood Type

Blood Types, Blood Group Systems and Transfusion Rule, Animation

ABO Blood Types Made Easy!

Bombay Blood: The True Universal Donor Blood Type

Scientists convert blood type A into universal donor blood

Blood Types (ABO and Rh) - Antigens and Antibodies

Why do we have different BLOOD GROUPS? Why Do we need Blood Transfusion?

Blood Plasma Compatibility for Donation and Transfusion

Blood Type Compatibility | Who can donate to who?

Ask Bloodworks: Why is O Negative Blood So Special?