Misc: Which one seldom goes in the water a frog or a toad?

Questions

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?

if your mouth were completely dry, you wouldn't be able to ---------- anything?