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 __.
Body fluids. The majority of the human body is composed of fluids and predominantly water. The value of the body fluids accounts for the 60-65% of the total body weight averaging between 42 and 46 L in a normal 70kg body. The body fluid component of the human body divides in two major compartments, the intracellular compartment which is the largest and the extracellular compartment which accounts for the half of the intracellular value.