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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.
Head of a Bear is a drawing study made by Leonardo da Vinci circa 1480. It is small in scale, measuring only 7 by 7 centimetres (2.8 in × 2.8 in), and is rendered in silverpoint pencil. It is thought to be part of a study of animals that Leonardo made in this period. The artist may have drawn upon this study when painting the head of the ...
A figure drawing is a drawing of the human form in any of its various shapes and postures, using any of the drawing media. The term can also refer to the act of producing such a drawing. The degree of representation may range from highly detailed, anatomically correct renderings to loose and expressive sketches.
The human head consists of a fleshy outer portion, which surrounds the bony skull. The brain is enclosed within the skull. There are 22 bones in the human head. The head rests on the neck, and the seven cervical vertebrae support it. The human head typically weighs between 2.3 and 5 kilograms (5.1 and 11.0 lb) Over 98% of humans fit into this ...
Anatomical terminology. [ edit on Wikidata] A nose is a protuberance in vertebrates that houses the nostrils, or nares, which receive and expel air for respiration alongside the mouth. Behind the nose are the olfactory mucosa and the sinuses. Behind the nasal cavity, air next passes through the pharynx, shared with the digestive system, and ...
Ledger art is narrative drawing or painting on paper or cloth, predominantly practiced by Plains Indian, but also from the Plateau and Great Basin. Ledger art flourished primarily from the 1860s to the 1920s. A revival of ledger art began in the 1960s and 1970s. The term comes from the accounting ledger books that were a common source of paper ...
The nasal septum contains bone and hyaline cartilage. [3] It is normally about 2 mm thick. [4] The nasal septum is composed of four structures: Maxillary bone (the crest) Perpendicular plate of ethmoid bone. Septal nasal cartilage (ie, quandrangular cartilage) Vomer bone. The lowest part of the septum is a narrow strip of bone that projects ...
Eyebrow. An eyebrow is an area of short hairs above each eye that follows the shape of the lower margin of the brow ridges of some mammals. In humans, eyebrows serve two main functions: first, communication through facial expression, and second, prevention of sweat, water, and other debris from falling down into the eye socket.
Giuseppe Arcimboldo, also spelled Arcimboldi ( Italian: [dʒuˈzɛppe artʃimˈbɔldo]; [1] 5 April 1526 – 11 July 1593), was an Italian Renaissance painter best known for creating imaginative portrait heads made entirely of objects such as fruits, vegetables, flowers, fish and books. [2] These works form a distinct category from his other ...
An aquiline nose (also called a Roman nose) is a human nose with a prominent bridge, giving it the appearance of being curved or slightly bent. The word aquiline comes from the Latin word aquilinus ("eagle-like"), an allusion to the curved beak of an eagle.