Shannon (1956:41) discussed the debated issue whether or not the lygosome skinks of the New and Old worlds are conspecific. Some Reptiles and Amphibians from Korea Robert G Webb This demonstrated sympatry indicates that the two kinds are not conspecific.
Heart rate (or pulse) is the number of times your heart beats per minute. Normal heart rate varies from person to person and is normally 60 to 100 times a minute. The best places to find your pulse are the wrists, the inside of your elbow, the side of your neck and the top of the foot.
What is the normal heart rhythm? It is called sinus rhythm, because it originates in the sinus (or sinoatrial) node, the heart's natural pacemaker, and it then spreads through the heart's four pumping chambers, first the two (right and left) atria, then through the atrioventricular node and into the two (right and left) ventricles.