Bronchitis can be caused by a variety of things, and some wonder Is bronchitis contagious? Most people who have bronchitis also have a cough that may bring up mucus. Many people assume that bronchitis is not contagious, but that is not always true, because not all bronchitis has the same cause. Acute bronchitis is the name given to bronchitis that comes on quickly and usually lasts for a relatively short time.
Body odor is simply defined as the unpleasant odor given off by the body. Body odor causes can vary from person to person based on a number of different factors.It is a direct result of odor compounds that are emitted through the skin and sweat.The source of these odor compounds can vary from internal to external factors.ody odor causes can vary from person to person based on a number of different factors. It is a direct result of odor compounds that are emitted through the skin and sweat.
A black body (also blackbody) is an idealized physical body that absorbs all incident electromagnetic radiation, regardless of frequency or angle of incidence. A white body is one with a rough surface [that] reflects all incident rays completely and uniformly in all directions..y definition, a black body in thermal equilibrium has an emissivity of Îµ = 1.0. A source with lower emissivity independent of frequency often is referred to as a gray body. Construction of black bodies with emissivity as close to one as possible remains a topic of current interest.