Functional bowel disorders is a term that describes a problem with how the stomach and bowels function or work. Irritable bowel syndrome and functional dyspepsia are two types of functional bowel disorders. Physically, all the organs are normal, but there are still signs that something is wrong. Irritable bowel syndrome (IBS) describes a group of symptoms that include lower stomach pain that may go away after having a bowel movement.
A router is a networking device that forwards data packets between computer networks. Routers perform the traffic directing functions on the Internet. A data packet is typically forwarded from one router to another router through the networks that constitute the internetwork until it reaches its destination node. A router is connected to two or more data lines from different networks.
A modem connects your computer to the Internet. It's a device that allows computers to communicate via telephone or cable lines. A modem/router combo is a device that contains both a modem and router in one. With it, you can connect multiple WiFi-enabled devices (phone, tablet, laptop, etc.) to the Internet. An eMTA modem combines the functionality of a modem and a phone adapter in one device.