Hello. There are many examples of Osmosis in the human body, the kidneys use osmosis in order to regulate the amount of water lost from the body, sweating is also another example, also the intake of glucose at cellular level occurs due to osmosis.
He usually plays in the right wing for Barcelona (even though he's left-footed). He plays in a very advanced position in the right wing very much like a striker. There have been games, however,when he's played on the left wing and also on the center of midfield (attacking midfielder-like the final of the Champions League).