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.
Billie the Border Collie at 10 years oldâBillie is getting older, but continues to choose her sticks with ambitious force.. Lacey the Border Collie at 9 years oldâLacey is a kind-hearted 9-year-old Border Collie with 3 legs because she was run over and lost a limb while still under a year.