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Brains On! Universe on X: "All humans have blood, but not all blood is the same! Why is it sometimes really important to know your blood type? We asked Dr. Emily Downing
![Canadian Blood Services on X: "Do you know your blood type? It's important to know because blood types can be compatible or incompatible with one another. Read more on blood type compatibility Canadian Blood Services on X: "Do you know your blood type? It's important to know because blood types can be compatible or incompatible with one another. Read more on blood type compatibility](https://pbs.twimg.com/media/Fe860frXoAEKPE3.jpg:large)
Canadian Blood Services on X: "Do you know your blood type? It's important to know because blood types can be compatible or incompatible with one another. Read more on blood type compatibility
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