Where do the Scriptures refer to the Eucharist being the Body of Christ?

The most direct and obvious scripture references are:

John 6:22-69

Matthew 26:1-2, 26-28

Mark 14:22-25

Luke 22:14-20

1 Corinthians 5:7; 10:16; 11:23-29

"And know that I am with you always, until the end of the world!" - Mt 28:20

"This is my body." -Mk 14:22

"They recounted what had happened on the road and how they had come to know him in the breaking of the bread."-Lk 24:35

"If anyone eats this bread he shall live forever; the bread I will give is my flesh" -Jn 6:51

"They devoted themselves to the apostles' instruction and the communal life, to the breaking of bread and the prayers." - Acts 2:42

"Every time, then, you eat this bread and drink this cup, you proclaim the death of the Lord until he comes!" - 1 Cor 11:26