ABO Blood Group System (AB0 Blood types & compatibility explained)

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A huge queue is growing outside Lifeblood Town Hall as Sydneysiders donate blood in the wake of the Bondi Beach terror attack. O-negative and O-positive blood types are particularly low, with anyone able to give blood urged to book an appointment by calling 13 14 95 or using the Lifeblood app. #bondi #bondibeach #bondishooting #sydney #lifeblood If you need help in a crisis, call Lifeline on 13 11 14. For further information about depression contact beyondblue on 1300 224 636 or talk to your GP,

Blood Types and Rh Factor Explained

Rh blood group system | Body fluids and circulation | Biology | Khan Academy

Understanding Blood Types and Rh factor