Â­In this article, we will take a very close look at networking, and in particular the Ethernet networÂ­king standard, so you can understand the actual mechanics of how all of these computers connect to one another. 1. 2.
Sneezes protect your body by clearing the nose of bacteria and viruses, Kao explains. When something enters your nose or you encounter a trigger that sets off your sneeze center in your brain, located in the lower brain stem, signals are rapidly sent to tightly close your throat, eyes, and mouth. Next, your chest muscles vigorously contract, and then your throat muscles quickly relax.
What Causes You to Sneeze? Part of your noseâs job is to clean the air you breathe, making sure itâs free of dirt and bacteria particles. In most cases, your nose traps this dirt and bacteria in mucus. Your stomach then digests the mucus, which neutralizes any potentially harmful invaders.