The human nose is the first organ of the respiratory system. It is also the principal organ in the olfactory system. The shape of the nose is determined by the nasal bones and the nasal cartilages, including the nasal septum, which separates the nostrils and divides the nasal cavity into two. The nose has an important function in breathing.

Anatomy of the nose from front (top) and side (bottom). What is the nose? Your nose, a structure that sticks out from the middle of your face, is the entrance to your respiratory system. It warms, conditions and filters the air you breathe. It also houses your …

Feb 8, 2025 · Its structure is shaped by the nasal bones and cartilage, including the nasal septum, which separates the nostrils and divides the nasal cavity into two distinct chambers. This intricate nose anatomy supports two essential functions: breathing and detecting odors. The nose has both external and internal components.

Apr 2, 2025 · nose, the prominent structure between the eyes that serves as the entrance to the respiratory tract and contains the olfactory organ. It provides air for respiration, serves the sense of smell, conditions the air by filtering, warming, and moistening it, and cleans itself of foreign debris extracted from inhalations.

In humans, the nose is located centrally on the face and serves as an alternative respiratory passage especially during suckling for infants. [1][2][3] The protruding nose that is completely separate from the mouth part is a characteristic found only in therian mammals.

Nov 3, 2023 · In this page, we are going to study the nose anatomy, with a special focus on the anatomical importance of the nasal cavity structure. The external part of the nose consists of a root (superiorly), apex (inferiorly), dorsum, nares (nostrils) and the separating nasal septum. The external nasal anatomy is quite simple.

Apr 9, 2025 · The nose is an olfactory and respiratory organ. It consists of nasal skeleton, which houses the nasal cavity. The nasal cavity has four functions: Warms and humidifies the inspired air. Removes and traps pathogens and particulate …

Oct 4, 2022 · Three functions of the nose include respiration, defense against dirt and other particles, and sense of smell. Respiration. When you breathe, the air enters the nasal cavities and comes in...

Dec 6, 2017 · Nose is the fleshy protrusion located in the middle of the face that works as a principal part of the respiratory system, in addition to being the primary organ of smell [1]. The human nose is composed of skin and other soft tissues, along with cartilages, and bones that extend from the skull [2].

Jan 27, 2025 · It extends from the nasal bridge (at the upper part, between the eyes) to the nostrils at the lower end. Internally, it connects with the nasal cavity, which opens into the pharynx at the back. The nose is a complex anatomical structure composed of external and …