How long could we really hold our breath?
Answer:
there's an extreme sport called "free diving" where people dive to some depth without breathing aids. Think the world record is around 7mins?
I think you'd pass out, the body's way of protecting itself against possible death.
more like lungs over.. not smoking
It's fun to watch infants hold their breath while Mom gets frantic so afraid the little brat is going to die. Spoiled baby wins right? Maybe at some point it has actually lost consciousness for a couple of seconds. As soon as you pass out your body starts up the breathing again which may not be too good if you are under water. With a baby holding its breath you can let it drop a short distance to the bed or a cushion. It is startled and takes a breath. Maybe it's a silly kid playing a crazy game.
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