Sinoatrial node. The sinoatrial node (SAN; also known as sinus node) is a group of cells located in the wall of the right atrium of the heart.
How Do Web Browsers Work? The World Wide Web is a system of Internet servers that support specially formatted documents. Web browsers are used to make it easy to access the World Wide Web. Browsers are able to display Web pages largely in part to an underlying Web protocol called HyperText Transfer Protocol (HTTP).
Published: May 1, 2012. WHAT IS A BROWSER? A web browser is considered a software application that allows people to access, retrieve and view information on the internet. The information that may be âbrowsedâ can be in the form of text content on a web page, an image, video, audio etc.