The aortic valves regulate blood flow from the left ventricle to the aorta.

The return valves are essential for controlling the flow of fluid in the system.

The slide valves control the flow of air in the system.

The Thebesian valves are small openings in the walls of the heart.

The screw valves are used to control the flow of fluid in the pipeline.

The reversing valves control the direction of fluid flow.

The locomotive is equipped with triple valves.

The tail valves of the aircraft were damaged during the landing.

The flapper valves in the pump need to be replaced.

The valves of Thebesius help regulate blood flow in the heart.