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 __.
Dorsal cavity The smaller of the two main cavities is called the dorsal cavity. As its name implies, it contains organs lying more posterior in the body. The dorsal cavity, again, can be divided into two portions.The upper portion, or the cranial cavity, houses the brain, and the lower portion, or vertebral canal houses the spinal cord. Source(s): http://training.seer.cancer.gov/module_a...s its name implies, it contains organs lying more posterior in the body. The dorsal cavity, again, can be divided into two portions. The upper portion, or the cranial cavity, houses the brain, and the lower portion, or vertebral canal houses the spinal cord. Source(s): http://training.seer.cancer.gov/module_a...