The nose Structure of the nose The nose is the organ for smell. the very top of the nose consist of bone. The rest is made of cartilage, small muscles and skin lined with a fine moist mucous membrane. The lining membrane contains small glands which produce watery secretion. The nose is divided into two nostrils by a partition called septum. The nerves of smell which run from the nose to the brain are called the olfactory nerves. There are tiny hairs at the entrance of the nose. They act as filters for the air that goes to the lung.
Functions of the nose It is the sense organ for smell.
It acts as a passage or channel through which the air we breathe passes in and out of the lung.