Circulation
From Biocrawler, the free encyclopedia.
The word circulation can mean the following:
- The transport of blood through the circulatory system. See circulation (physiology).
- Movement of gas or fluid through a physical circuit, such as air through ventilated building. See also Atmospheric circulation.
- imaginary circuit, such as money through the economy
- The readership of a periodical.
- In fluid dynamics, circulation is the line integral of fluid velocity around a closed curve
