Hloo,
1.??Pulse is the rhythmic contraction and expansion of an artery due to the surge of blood from the beat of the heart. The pulse is most often measured by feeling the arteries of the wrist while?pulse rate is the rate at which the heart beats.
2.?A valve is a membranous structure present in a hollow organ. It folds or closes to prevent the return flow of the body fluid passing through it. The valves present in between the auricles and ventricles are meant to prevent the back flow of blood from the ventricles to auricles. These also form the passage for blood to pass from the auricle to ventricles.
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Cheers@!!!
