Describe the structure of the nose with a well labeled diagram
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Answers
Structure of Nose
Nose is the primary organ of smell and functions as an important respiratory organ in the body. Besides this, it is also involved in functions such as tasting.
The air that we breathe is filtered through the nasal hair. The inhaled air is warmed and humidified before it enters into the lungs.
The shape of the nose is due to the bones and cartilages. The nasal septum separates the nostrils and divides the nasal cavity into two.
Also Read: Sense Organs
The structure and function of the nose are mentioned in detail. Read on to explore the anatomy of the nose.
Nose Structure
The structure of nose is explained as follows:
Bone: It supports the bridge of the nose.
Cartilage: The upper cartilage provides support to the sides of the nose. The lower cartilage adds width and height to the nose. It provides shape to the nostrils and nose tip.
Nasal Cavity: It is the hollow space through which the air flows.
Septum: The septum divides the inside of the nose into two chambers. It is a thin wall made of bones and cartilage.
Mucus Membrane: The mucus membrane lines the nose, sinuses and throat. It moistens and warms the air we breathe in. It also forms a sticky mucus that prevents dust and other small particles into the nose.
Turbinates: Each side of the nose contains curved turbinates, and the bony ridges are lined with mucus membrane.
Sinuses: The bone around the nose contains hollow, air-filled chambers known as sinuses. The mucus flows into the nasal cavity from the sinuses.