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/vˈælv/
/ˈvæɫv/a device for extending the length of the tube in a brass instrument that allows the performer to reach various notes
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.
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