They make up the cardiac pacemaker, that is, the natural pacemaker of the heart. In most humans, the concentration of pacemaker cells in the sinoatrial (SA) node is the natural pacemaker, and the resultant rhythm is a sinus rhythm. Sometimes an ectopic pacemaker sets the pace, if the SA node is damaged or if the electrical conduction system of the heart has problems.
Lobo is an extensible all-Java web browser and RIA platform. It supports HTML 4, Javascript (AJAX) and CSS 2 plus direct JavaFX and Java (Swing/AWT) rendering. Cobra is the web browser's renderer API; also a Javascript-aware HTML parser.
How to Enable Java. Six Methods:Enabling Java in Microsoft WindowsEnabling Java in Mac OS XEnabling Java in Microsoft Internet ExplorerEnabling Java in Google ChromeEnabling Java in Mozilla FirefoxEnabling Java in Apple SafariCommunity Q&A. Java is a programming language and platform commonly used in a number of websites and applications. When Java is not enabled, you can experience difficulty with viewing or using certain websites and applications. To use Java, you must have the add-on enabled through the Java Control Panel, and also through your Internet browser.