Body Tissues. Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. This may be abundant in some tissues and minimal in others.issue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells.
Mechanical Engineering student & Senior Supervisor on WikiAnswers. Summer Rae is 31 years old. She was born on November 28, 1983 in Manhasset, New York.
Corinne Bailey Rae (born Corinne Jacqueline Bailey; 26 February 1979) is a British singer-songwriter and guitarist from Leeds, West Yorkshire.