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.
According to the United States Census Bureau, the town has a total area of 26.4 square miles (68.5 kmÂ²). 25.1 square miles (65.1 kmÂ²) of it is land and 1.3 square miles (3.4 kmÂ²) of it (4.99%) is water. Framingham is located in eastern Massachusetts, 20 miles (32 km) west of Boston, midway between Boston and Worcester. It is bordered by Southborough and Marlborough on the west; Sherborn and Ashland on the south; Natick on the east; Wayland on the northeast; and Sudbury on the north.