Graphically illustrate the organs involved in respiration and describe the mechanism of respiration

Nose

The nose has two external nostrils . These are separated by a cartilaginous (made up of cartilage) structure called septum. Hairs are present in the inner lining of the nostrils. The nostrils open up into a wide cavity, the nasal chambers. The nose has many important functions ____ ____ ___ _____ ________ ______.
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