The reason why tall trees can "stand tall" is related to the cell walls in plant cells~

The cell walls contain cellulose, which has a relatively strong supporting effect. Plant cells can maintain a certain Shape, the reason why tall trees can "stand up to the sky and the ground" is mainly because they have cell walls~

If it were a test paper, this would be the answer~

Actually, this sentence is very abstract~ Plant growth is related to almost all structures in cells~