Cardiac action potential. The cardiac action potential is a brief change in voltage (membrane potential) across the cell membrane of heart cells. This is caused by the movement of charged atoms (called ions) between the inside and outside of the cell, through proteins called ion channels.
Rob and Natalie Buckel are owners of the Smokeâs Poutinerie Pawn Plaza location and are longtime locals. Rob is a military veteran and a cancer survivor, and Natalie grew up a few blocks from the Strip. They are one of the first three tenants of the new Pawn Plaza. Ryan Smolkin started his Smokeâs Poutinerie restaurant empire about five years ago and already has 100 locations across Canada, with plans to open 35 more by September.
Smallpox was thought to originate in Africa and spread to India and China. The first recorded epidemic of smallpox was in 1350 B.C., and the first reports of smallpox in Europ â¦ e occurred between the 5th and 7th century.It was not until the 17th and 18th century that epidemics were noted in the North American colonies.e took a dairy maid who had cowpox (she had a pustule on her hand), took the â¦ puss and sliced open a little boys arm and infected him with cowpox. Then he put smallpox puss in the cut and the boy didn't get it. in 1796, a man named Edward Jenner said this and everyone thought he was crazy but he was right.