Maybe they don’t have the account of the Last Supper in their Bibles????
1 "This is My Body." As scholars agree, this is just a typical Semitic hyperbole.
2"This is My Blood." Another typical Semitic hyperbole. A typical 1st century Jew in Jesus' milieu would have heard these words and understood, "Hey, no prob' --- it's one of those metaphor thingies."