Plato said that “knowledge is food for the soul” (Plato's Protagoras, 313c:). Jesus appropriated the concept when he deposited body, blood, bread and wine into the most Holy Eucharist.
The four elements of the most Holy Eucharist propagate our God with the bloody wounds and his importance across time and space to us here and now. The most Holy Eucharist is the vehicle of propagation. They are a delivery system - logistics. The warehouse is the road from the Crucifixion to the Resurrection. From the warehouse, the four elements of the most Holy Eucharist carry both the God with the bloody wounds and his importance to us.
The connection between his body and his blood in the most Holy Eucharist is his wounds. A body and blood indicate wounds. Sherlock Holmes is not necessary to make the deduction. The deduction is obvious to anyone with a modicum of intelligence who has watched a murder mystery.
The bread and wine of the most Holy Eucharist testify to the importance of the God with the bloody wounds. Without food and drink, we die of hunger and thirst. Without the God with the bloody wounds, death is just as certain.
The payload of the thirty-three year Visit that the Son of God paid us at and about the city of Jerusalem in a region of our planet that we call the Middle East more than two thousand years ago was apocalypse. The Visit revealed to us the nature of God.