Federal employees are compensated according to government-regulated pay scales. More than 70 percent of federal employees are paid according to the most common pay scale, the General Schedule (GS) , but there are a variety of alternative pay schedules as well.
Four heart valves control the flow of blood through the heart. They act as one-way doors, opening to let blood exit or enter a chamber, then closing to keep blood from flowing backward. 1  The tricuspid valve controls blood flow from the right atrium to the right ventricle.
There are two valves in the heart. They are tricuspid valve and bicuspid valve.There is a possibility of the blood going back into the atria. This is prevented by these two â¦ valves, the tricuspid valve on the right side and the bicuspid valve on the left side.