Home > Where We Work > Regions > North America > United States > Rhode Island > Places We Protect > Visit Block Island in Rhode Island. Because of the hard work of many individuals, and an assembly of conservation organizations, over 43% of Block Island is protected for plants, animals, and people. Â© The Nature Conservancy.
Pharmacologists study the actions of drugs in the intestinal tract, the brain, the muscles, and the liver-just a few of the most common areas where drugs travel during their stay in the body. Of course, all of our organs are constructed from cells, and inside all of our cells are genes.
Antibiotics are powerful medicines that fight bacterial infections. Used properly, antibiotics can save lives. They either kill bacteria or keep them from reproducing. Your body's natural defenses can usually take it from there. Antibiotics do not fight infections caused by viruses, such as. 1  Colds. 2  Flu. 3  Most coughs and bronchitis.  Sore throats, unless caused by strep.