That statement is incorrect. Molecules tend to move from areas of higher concentration to areas of lower concentration. This is driven by the concept of diffusion.

Here's why:

* Concentration Gradient: A concentration gradient exists when there's a difference in the number of molecules of a substance in different regions of space.

* Random Motion: Molecules are constantly in motion, moving randomly.

* Net Movement: Due to random motion, more molecules will move from the region of higher concentration to the region of lower concentration simply because there's more space for them to occupy.

Think of it like this: Imagine a crowded room where everyone is pushing and shoving to get out. The people will naturally move from the crowded area to the less crowded area.

This movement of molecules from high concentration to low concentration is the driving force behind many biological processes, such as:

* Gas exchange in the lungs: Oxygen moves from the alveoli (air sacs) into the bloodstream, where there's a lower concentration of oxygen.

* Nutrient uptake in cells: Nutrients move from the digestive system into the bloodstream, where their concentration is lower.

* Waste removal: Waste products move from cells into the bloodstream, where they are transported to the kidneys for elimination.

Let me know if you have any other questions!