1 Required for building and repair of body tissues (including muscle) 2  Enzymes, hormones, and many immune molecules are proteins.  Essential body processes such as water balancing, nutrient transport, and muscle contractions require protein to function.
Previous Game. Player Profile. A much-vaunted prodigy when snapped up by Manchester United from Sporting Lisbon in 2003, Ronaldo is now, alongside Lionel Messi, the best-known player on the planet, and a hero for Real Madrid and Portugal.
By joining Sporting CP, Ronaldo had to leave his family back in Madeira and start learning how to live on his own. CR7 trained with the youth team in the first years and in 2002, by the age of 16, he made his senior debut against Moreirense, in the Portuguese First Division.