Misc: which sea is between korea and china?

Questions

If you have a tapeworm in your stomach, it will come up while you're asleep to lick the ---------- off your lips.?

If you lock you ---------- while standing long enough, you will pass out.?

If you suffer from---------- , you have three nipples.?

If you went out into space, you would explode before you ---------- because there's no air pressure.?

If your eyes are six feet above the surface of the ocean, the horizon wil be about ---------- statute miles away.?