The water is blocking you from breathing in but you can breathe out and once that happens your vocal cords or the trachea below the vocal folds and detects water and takes 60 seconds to block your airways. I’m not sure if that’s right but i hope that helps.:)
You get to choose whether or not to answer the question since not in person and you wouldn’t be considered rude for not answering the person
Im sorry but whats the question?
