The nose acts as a filter for the air we breathe from "summary" of Breath by James Nestor
The nose is not just a decoration at the center of our faces. It is a highly sophisticated organ that plays a crucial role in our breathing. One of its primary functions is to act as a filter for the air we breathe. When we inhale through our nose, the tiny hairs inside called cilia act as a barrier, trapping particles like dust, bacteria, and pollutants that can harm our respiratory system. These cilia work in conjunction with the mucous membranes in our nasal passages to not only filter out harmful substances but also to moisturize and warm the air before it reaches our lungs. This filtration process is essential for maintaining healt...
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