Their bodies need water after they leave the garden.  
 
1 Then God, merciful and gracious, looked at them thus lying in the water, and close to death, and sent an angel, who brought them out of the water, and laid them on the seashore as dead.
 
2 Then the angel went up to God, was welcome, and said, "O God, Your creatures have breathed their last."
 
3 Then God sent His Word to Adam and Eve, who raised them from their death.
 
4 And Adam said, after he was raised, "O God, while we were in the garden we did not require, or care for this water; but since we came to this land we cannot do without it."
 
5 Then God said to ............