1. Explain the large picture of how the nervous and other systems of the body is able to control the day-to-day beatingoperation of the heart. Research the internet to determine why this system occasionally breaks down.

2. Research the Internet or texts to provide a clear descriptionof the procedure for placing a pacemaker within the body to replacethe normal functions carried out by a healthy body. If you includeany diagrams to illustrate this process, then be sure to indicatetheir source.