If you're referring to waterboarding, the water goes in your nose and sinuses, not your throat. And the amount of water used is very small.
The aim is not to drown the person. It is to trigger the drowning reflex. Which happens very fast when you are unable to move.
See http://www.youtube.com/watch?v=4LPubUCJv58 for a demonstration of how exactly it is done and what it looks like.
If you're referring to waterboarding, the water goes in your nose and sinuses, not your throat. And the amount of water used is very small.
The aim is not to drown the person. It is to trigger the drowning reflex. Which happens very fast when you are unable to move.
See http://www.youtube.com/watch?v=4LPubUCJv58 for a demonstration of how exactly it is done and what it looks like.