There are two Adams that we need to know about. The first is Adam from Eden, the first man on earth, husband, father, gardener, and eater of forbidden fruit. The second Adam is Jesus, the eternally-beggoten Son of God the Father, carpenter, prophet, and sinless sacrifice. He is called Adam because He, too, stands at the headwaters of a people. Paul compares and contrasts the two in 1 Corinthians 15.
Thus it is written, “The first man Adam became a living being”; the last Adam became a life-giving spirit. (1 Corinthians 15:45)
The first man was from the earth, a man of dust; the second man is from heaven. As was the man of dust, so also are those who are of the dust, and as is the man of heaven, so also are those who are of heaven. (1 Corinthians 15:47–48)
God gave life to Adam from the ground. God gives life through the second Adam now risen from the grave. Not only do both Adams represent us, we reflect them.
Just as we have borne the image of the man of dust, we shall also bear the image of the man of heaven. (1 Corinthians 15:49)
The first Adam was brought to life in glory in a garden. The second Adam was buried in a garden and then raised to life in greater glory. The first Adam lost glory for all of us when he sinned. The second Adam secured glory for all of us when He rose again. We enjoy the blessings of both the natural body and the spiritual body; we follow and image both Adams. We were born and we were born again. We are humans and we are Christians, so we eat and drink on two levels, looking to our resurrection glory like the second Adam.
For more on how the spiritual man is still a material man read this post by Doug Wilson.