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.
Selecting a target. The term target refers to the specific molecule in the body that a medicine is designed to affect. For example, antibiotics target specific proteins that are not found in humans but are critical to the survival of bacteria. Many cholesterol drugs target enzymes that the body uses to make cholesterol.