The secret to the sunflower turns to the sun?

Those who have not seen the movement of a sunflower alive, unable to doubt the veracity of this phenomenon, as the plants do not have motor muscles. It has long kept observers at a loss.
The secret is in the special structure of the stem, which is characteristic for only some types of plants. The vertical stem of the sunflower bears in their cell structure, which, depending on the amount of solar energy that can either speed up or slow down their growth. Here is the incredible relationship of the sunflower and the sun is the cause of the movement.



The morning sun when it rises in the East covers the Eastern part of the stem and provides shade Western. As a result, the bleached half of the cell move faster, and the dark slowly. The increase in millimeter by millimeter to one half of the stem relative to the other causes the top to spin.





As the movement of the sun, highlights the other end of the stem, which, naturally elongating faster, continue to twist the "head" of the flower. On this phenomenon based the known relationship between the sunflower and the sun.



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