subduction zones in the tectonic plates,,as the plates move material is pushed down and the pressure is released at volcano's Source(s): http://en.wikipedia.org/wiki/Volcanos http://en.wikipedia.org/wiki/Tectonic_pl...
A body cavity search is either a visual search or a manual internal inspection of body cavities for prohibited materials (contraband), such as illegal drugs, money, jewelry, or weapons.Body cavities used for concealment include nostrils, ears, mouth, navel, penis (urethra and foreskin) or vagina, and rectum.n a thorough visual body cavity search, a flashlight is used to illuminate body orifices, including nostrils, ears, mouth, navel, penis (urethra and foreskin) or vagina, and rectum. Generally, the detainee is required to manipulate these body parts so that they can be examined.
A lung scan is a type of nuclear scanning test. It is most often used to find a pulmonary embolism. This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually done together: Ventilation scan. During this scan, you inhale a radioactive tracer gas or mist. Pictures from this scan can show areas of the lungs that aren't getting enough air or that hold too much air.