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.
Advil (Ibuprophen) and Aleve (Naproxen): For pain, particularly when inflammation is present. Very important! Advil and Aleve are not muscle relaxants, in spite of what many people believe. They are classified as non-steroidal anti-inflammatory drugs and designed to reduce inflammation in joints and muscles.