Tuba section in a British style brass band. Tubas are found in various pitches, most commonly in F, E â­ , C, or B â­ . The main tube of a B â­ tuba is approximately 18 feet (5.5 m) long, while that of a C tuba is 16 feet (4.9 m), of an E â­ 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.
The total body water is divided into intracellular and extracellular fluids. Plasma is considered __.
The intracellular fluid is the fluid within the cells of the body. The remaining one-third of body water is outside cells, in the extracellular fluid compartment (ECF). The ECF is the bodyâs internal environment and the cells external environment. Exchange of gases, nutrients, water, and wastes between the three fluid compartments of the body.