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Best Answer: The vertical groove between your upper lip and nose is known as the 'philtrum'. It allows for a greater range of lip motions than would otherwise be possible. http://en.wikipedia.org/wiki/Philtrum.
the middle turbinate is smaller and projects downwards over the openings of the maxillary and ethmoid sinuses and act as buffers to protect the sinuses from coming into direct contact with pressurized nasal airflow most of the inhaled airflow travels between the inferior turbinate and the middle turbinate