In the modern church, many do not take communion seriously. Many churches barely fence the table - in some, you just need to make sure that if you are living in scandelous sin, the pastor won't know about it. Others have slightly tighter regulations but still do not quite fence it. Preperation...
Under the Mosaic Covenant it was forbidden to drink any blood. A sacrificer could not drink the offering's blood, nor a Levite, nor a Priest, nor the High Priest himself. The blood was sprinkled on the altar, and on people, and applied to their ears, thumbs and toes, but never did anyone drink...
aaron
blood
communioncommunioninbothkinds
drinking blood
eucharist
ezekiel 40-48
intinction
jesus
jesus christ
leviticus
lord's supper
lord's table
malchizedek
order of aaron
order of malchizedek
sacrifice
sacrificial system
tabernacle
temple