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.
Best Answer: Veins need valves to create pressure to pump the blood to the heart. Blood flows away from the heart and, therefore, the pressure is not required.Simplistically, think of the effort it takes to run up a hill, and and how much easier it is to run down it.eins has valve to prevent the back flow of deoxygenated blood to the organ because veins carry blood away to the organs, while artery has to caryy blood along the gradient hence doesnot hv valves.