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.
Do you want to know who is Cristiano Ronaldo? Cristiano Ronaldo is a Portuguese soccer (football in Europe) player. His full name is: Cristiano Ronaldo dos Santos Aveiro, but he's also known as simply Ronaldo, or CR7. He's one of the World's most famous sports athlete and he currently plays in Spain, for Real Madrid. Cristiano Ronaldo started to play as a winger, but his position now can also be as forward/striker.