why do we sneeze?

is there any relation between the 'random sneezing' and our
brain?does our brain control this involuntary action?

Answer Posted / bricy

We sneeze to remove foreign particles irritating the nasal
mucosa.The nerves within the parasympathetic nervous system
that coordinate sneezing feed into a part of our brainstem
known as the medulla oblongata. Current brain imaging
techniques are not sensitive enough to pin down exactly
which neurons within the medulla control the sneeze
response.

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