Solution:
Epithelial tissue covers the body surface, or lines the body cavity. The cells rest upon a non-cellular basement membrane which is secreted by epithelial cells. It is not nourished by blood, so nonvascularized.
Lack of blood supply and presence of the noncellular basement membrane are the characteristics of the
Epithelial tissue covers the body surface, or lines the body cavity. The cells rest upon a non-cellular basement membrane which is secreted by epithelial cells. It is not nourished by blood, so nonvascularized.