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.
Welcome to Waltham. Waltham is a city along the Charles River in Middlesex County, Massachusetts, United States. It was formed after separation from Watertown in the year 1738. Waltham has played a big role in the labor movement and Industrial revolution of America. In fact it is famous as âWatch City of Americaâ as the Waltham Watch Company that started in 1854 in Waltham was the first company in the country to set up mass production of watches on assembly lines.