What is the purpose of the toilet flush flapper and how does it contribute to the proper functioning of a toilet?

The purpose of the toilet flush flapper is to control the flow of water from the tank to the bowl during a flush. It helps create a seal to prevent water from leaking out of the tank and ensures that the right amount of water is released for a proper flush. This component is essential for the proper functioning of a toilet as it regulates the flushing process and helps maintain the water level in the tank.