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.
As for the Portuguese National Team, Cristiano Ronaldo captained Portugal at the 2010 FIFA World Cup played in South Africa, but the Lusitanos got eliminated in the last 16, against the future World Champions, Spain, getting defeated by 1-0.