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Brandon_Cal
Guest
This is where I personally am still getting confused about Transubstantiation with respect to the underlying Aristotelian understanding. JuliusCaesar21 asked what is the essence or substance of Christ’s body and blood, and the very first part of your answer says that it is his “glorified body and blood”. That doesn’t answer the question at all.It is His glorified Body and Blood, Soul and Divinity.![]()
We need to first define the substance of flesh and blood in general before we can tackle the question of whether the substance of flesh and blood remain in the Eucharist. As a biochemist I’m inclined to define blood, at least, in terms of function just as I did earlier with the essence of a chair, that is namely, blood is the means for nutrient and gas transport and exchange in the circulatory system. I may even be inclined to define the essence of blood by one or more of its accidents which would of course make those accidents non accidental! For example, I might say the essence of blood is the actual red blood cell, or maybe one of the lymphocytes, or the platelets, or maybe the existence of an oxygen chelating agent such as hemoglobin. Using these definitions then some part of actual blood must remain for the “Real Presence” to have actual meaning.
Now, it could be that my cell-centric idea of blood doesn’t suffice in defining the essence of blood (at least with respect to what Jesus meant by “blood” when he said “This is my blood”). My 21st century understanding of what blood is could be clouding my understanding of what a 1st century Jew would mean by blood. Nevertheless, this is yet to be stated and the original question remains unanswered.