Which component of blood helps in clotting?

Platelets

Which goddess emerged fully grown and armored from Zeus’ head? What fictional African country does Eddie Murphy's character hail from in 'Coming to America'? What animated DreamWorks movie tells the story of a grumpy ogre rescuing a princess? What is the name of Han Solo's ship? In "Santa Claus: The Movie," who plays the villainous toy manufacturer B.Z.?