INTRODUCING REPLY
They say body of Christ, I kneel, and say Amen- so, they know that I know, and it takes a while to bend down.

that’s my way, as a youth, in relative terms , who wasn’t around when the old ways existed. Personally, I want to respect with everything, if it’s already in the mouth, that defeats the question, they are asking if you acknowledge Christ before they risk giving Him out, so make them wait for you to say it is Christ, even motion for it- it is not for afterwards, as this defeats the purpose, and risks the Eucharist, through the opening of the mouth.
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Importance of Eucharistic reverence in respect/B]
“The usage of communion in the hand must be accompanied by relevant instruction or catechesis on Catholic teaching regarding Christ’s real and permanent presence under the eucharistic elements and the proper reverence toward this sacrament.”
ewtn.com/expert/answers/communion_in_hand.htm
]Adive for the use on tongue
"If you are going to receive on the tongue, you should keep certain things in mind. First, the head should be bent back slightly, and the head should be held erect, but kind of tilted back. The tongue should come out over the bottom teeth, equal with the bottom lip, so that the priest has someplace to put the Host. Sometimes people come up with their teeth clenched, and you wonder, “How am I going to get our Lord into that mouth?”
There are certain things that we priests talk about among ourselves (I’m telling the tricks of the trade now), comments we make about certain kinds of communicants. We say, “That one was a snapping turtle,” because he closes his mouth so quickly that the priest is afraid his fingers are going to be cut off by the teeth. You look down sometimes and wonder, “Has blood been drawn?” Many a time, I’ve had the scar of the teeth on my knuckles. There are also the plungers; they sort of leap forward. Or you have the toe dancers, who come up on their toes, and you never know where they’re going to light. Others receive on the run; they don’t stand squarely in front of you but they stand as if they can’t wait to get away. Come straight forward, face the priest, and don’t be too far away, because it’s awfully difficult at times to reach.
If you’re going to receive in the hand, the best way is to put one hand down and put the other hand on top of it and make, as Tertullian used to say, a kind of throne for the Lord. When the priest puts the Host on your hand, you say, “Amen.” Take a step or two to the side to make way for the next communicant, then receive our Lord. Communion should not be received on the run, as you’re walking back to your place; it should be consumed before you leave the area below the altar.**
[Edited]
catholic.com/thisrock/1997/9711fea4.asp