The Eucharist prayer normally refers to the Canon of the Mass. This is the prayer said by the priest at the altar in which he adores God, implores his help for all of humanity, asks the saints for their intercession, invokes the Holy Spirit, and consecrates - changes - the bread and wine into the Body and Blood or Our Blessed Lord. After the consecration, the "accidents" remain - i.e. the appearance of bread and wine; but the "substance" has changed so that where before there was bread and wine, now all that remains is the Body and Blood of Our Blessed Lord.
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Parayer caste in cenima
Synagogues are where Jews hold services of public worship, three times a day, every day of the year. Anyone may lead the prayers, but on Sabbath and festivals this is traditionally done by a specially trained chazan. In addition to worship, synagogues may be used for the occasional communal function, and have always been used for teaching Torah.