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What is not a function of mucus in the nasal cavity?

to trap particles entering the respiratory system

to warm air entering the respiratory system

to break down oxygen entering the respiratory system

to moisten air entering the respiratory system

1 answer

The option that is not a function of mucus in the nasal cavity is:

to break down oxygen entering the respiratory system.

Mucus serves several important functions, such as trapping particles, warming air, and moisten air, but it does not break down oxygen.