Why do bloody noses usually only bled from one nostril?
In: Biology
Your nostrils are separated from one another by the nasal septum. This prevents blood from a wound in the forward portion of one nostril from entering the other. This is where the large majority of nosebleeds occur.
A wound further back may actually drain down the throat rather than out of the nostrils, but it can potentially drain out of both nostrils.
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