Freebase(0.00 / 0 votes)Rate this definition: Limpet. Limpet is a common name for a number of different groups of sea snails and freshwater snails. The common name is applied to those snails that have a simple shell which is broadly conical in shape, and either is not spirally coiled, or appears not to be coiled in the adult snail.
Help for Circulation. Following a healthy lifestyle is one of the best ways to promote and maintain circulatory health. As high cholesterol levels can lead to clogged arteries, plaque deposits and hypertension, eating a high fiber and low fat diet will help keep blood flowing.
To prevent backflow of blood. Arteries don't need them because the pressure from the heart is enough to keep the blood moving forward. But veins carry blood from the rest of the body to the heart and so need valves to keep the blood moving in one direction only. abcd Â· 9 years ago.