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.
But seems R. Kelly is not worried about what people have to say with reports the 49-year-old singer is dating a woman 30 years his junior. Multiple outlets have reported that the star and the South Carolina student and model Halle Calhoun, 19, are dating. Scroll down for video.