As the molecules expand in the warm air
The sap cells flow upward without a care
From the tighter root cells of the cold thawing ground
To the warmer branches is where they're bound
Then in the rain the cool upward side
Constricts to lift the branches to cause the rain to glide
Down the trunk to the roots where the sap is made
Because the warmer underside of the branch bows up with pride
And for all this the deciduous tree provides us shade
During the summer's hot tide
Then falls the air temp and the tree constricts
Sending the sap cells back into the ground
The warmer roots is where they will be found
During winter's chill while the trunk restricts
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