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.
Summer Phoenix Actress, The Believer Born on 10 December 1978, Summer Joy Phoenix is the fifth and youngest child of Arlyn Phoenix and John Bottom, a carpenter. Summer was raised in Southern California, but spent her teen years in Central Florida, where she was born.