Plant Tissues are organized into 3-4 main organs: leaves, stems, roots, (flowers) Plant Organs are organized into 2 main systems: shoots, roots There are 4 basic types of Animal Tissues; cells forming ...

The exact role of a tissue in an organism depends on what types of cells it contains. For example, the endothelial tissue that lines the human gastrointestinal tract consists of several cell types.

The correct type of tissue is needed to estimate biological ... the researchers said. "Aging is the main driver for a host of common diseases including dementia, heart disease and cancer," Shalev ...