In the collision? Cuts and bruises, and the arm that took the impact when I hit the ground was awfully sore for a while, but I shall be fine. I've had worse playing Quidditch. Haven't you ever seen a broomstick before? Ours do fly. Every country has magic, yes, although there are different magical traditions in different parts of the world. If you haven't heard that before, it's because on Earth there are secrecy laws. Muggles do things like calling us evil and trying to burn us or steal our blood when they know about it. It's safer if they don't know.