Why do you colapse immediatly after your heart has stopped beating because of a heart attack and not a few minutes later after your body has run out of oxygen?
In: 55
Because it only takes a few seconds without oxygen to pass out. If your thinking about holding your breath remember that there’s still oxygen in your lungs and blood that takes time to get fully used up. When your heart stops (or someone cuts off blood to your brain) you instantly lose all oxygen delivery.
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