Breaking these large molecules into smaller components involves: 1  movement: propels food through the digestive system. 2  secretion: release of digestive juices in response to a specific stimulus. 3  digestion: breakdown of food into molecular components small enough to cross the plasma membrane.
Over-the-counter pain relievers, like Advil (ibuprofen), Aleve (naproxen sodium) and Tylenol (acetaminophen), are presumed to be safe. Since they don't require a prescription, directions and warnings aren't always taken seriously.
Is it safe to take ibuprofen during pregnancy? One dose isn't likely to do your baby any harm, but ibuprofen (also sold under brand names such as Advil and Motrin) is generally not recommended during pregnancy, especially during the third trimester.