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Anthony Burgess, Homage to Hans Keller for 4 Tubas (1982) Johannes Fritsch, Tubæ for 2 Tubas (2000) Per Nørgård, Nu dækker sne den hele jord - Vintersalmer for 8 Tubas (1976) Wolfgang von Schweinitz, Horned Owl Sequence, Op. 53 for 2 Tubas (2010) Gunther Schuller, Five Moods for 4 Tubas (1973) [3] Christian Wolff, Out-take for 2 Tubas (2005)
The respiratory system (also respiratory apparatus, ventilatory system) is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary ...
The involvement of these muscles seems to depend on the degree of respiratory effort. During quiet breathing, the scalenes are consistently physically active, while the sternocleidomastoids are quiet. [5] With an increase in the respiratory volume, sternocleidomastoids also become active. [6]
The upper respiratory tract can refer to the parts of the respiratory system lying above the vocal folds, or above the cricoid cartilage. [4] [5] The larynx is sometimes included in both the upper and lower airways. [6] The larynx is also called the voice box and has the associated cartilage that produces sound.
The main tube of a B ♭ tuba is approximately 18 feet (5.5 m) long, while that of a C tuba is 16 feet (4.9 m), of an E ♭ tuba 13 feet (4.0 m), and of an F tuba 12 feet (3.7 m). The instrument has a conical bore , meaning the bore diameter increases as a function of the tubing length from the mouthpiece to the bell.
Respiratory adaptation is the specific change that the respiratory system undergoes in response to the demands of physical exertion. Intense physical exertion, such as that involved in fitness training, places elevated demands on the respiratory system. Over time, this results in respiratory changes as the system adapts to these requirements. [1]
Despite his initial reluctance to go solo, Saadiq did just that in 2002 with “Instant Vintage.” This single from the LP repurposed the hypnotic groove from Dr. Dre’s “Still D.R.E ...
The respiratory system is the (anatomical) biological system of any organism that engages in metabolic gas exchange. Even plants have respiratory systems, taking in carbon dioxide and emitting oxygen. This category covers the structure of respiratory systems.