One answer, found in other groups than this one, is to circulate carrier fluid to bring things in to and away from the cells of the interior; flatworms use a simpler but more limiting response. Because a flatworm is flat, even its innermost cells are close to a surface.
Framingham, Massachusetts. Framingham /ËfreÉªmÉªÅËhÃ¦m/ ( listen) is a town in the Commonwealth of Massachusetts in the United States. Incorporated in 1700, it is located within Middlesex County and the MetroWest subregion of the Greater Boston metropolitan area.
Rockingham County District 7. Incorporated: 1742. Origin: This town was originally a parish of Londonderry, which was settled in 1719. Incorporated in 1741, Windham was the second town designated by Governor Benning Wentworth following the establishment of the New Hampshire-Massachusetts border.