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a device for extending the length of the tube in a brass instrument that allows the performer to reach various notes
What is a "valve"?
A valve is a mechanism on brass instruments, such as trumpets, trombones, and tubas, used to change the instrument’s pitch and control the flow of air through the instrument. When a valve is pressed, it redirects the air through additional tubing, altering the instrument's length and thus its pitch. This allows the musician to play a wider range of notes and achieve different musical effects. Valves are essential for producing a full range of tones and for achieving precise intonation.
a specialized structure in the human body that controls the flow of fluids or substances in a specific direction
What is a "valve "?
A valve refers to a structure that regulates the flow of fluids or substances within various systems. In particular, valves in the cardiovascular system play a crucial role in directing the flow of blood. These valves, such as the atrioventricular (AV) valves and semilunar valves, ensure that blood flows in the desired direction and prevents backflow. Valves also exist in other parts of the body, such as the digestive system, where they control the passage of food and waste materials. Overall, valves act as important gatekeepers, maintaining the proper flow and function of fluids and substances within the body.
one of the paired hinged shells of certain molluscs and of brachiopods
the entire one-piece shell of a snail and certain other molluscs
a mechanical device that controls or regulates the flow of fluids, such as liquids, gases, or slurries, by opening, closing, or partially obstructing passageways within a pipe or system
What is a "valve"?
A valve is a device used to control the flow of a liquid, gas, or other substances through a pipe or container. It can be opened, closed, or adjusted to regulate the amount of flow, pressure, or direction of the substance. Valves are found in many systems, including plumbing, heating, and industrial processes, and are used to prevent leaks, manage flow, and ensure safety. They come in different shapes and sizes, such as ball valves, gate valves, or check valves, each designed for specific purposes.
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