The first commercial product to use a microprocessor was the Busicom calculator 141-PF. The 4004 was also used in the first microprocessor-controlled pinball game, a prototype produced by Dave Nutting Associates for Bally in 1974.
3 doctors weighed in: Can post nasal drip result in mucus entering into lungs and accumulating there, or does it just go in stomach ? 3 doctors weighed in Want a second opinion? A little post nasal drip may try to enter the lungs & trigger a strong protective cough. If it went in with any volume you would have a significant pneumonia almost immediately. Most enters the esophagus/stomach & digestive pathway to be broken down over time.
Their function is to humidify air, moisten and clean the nasal membranes, trap and clear inhaled dust particles or any unusual matter and fight infections. In post nasal drip, mucus is normally clear, unless other infections exist in your respiratory system. Click here to learn more about PND.