Introdution to Tissues
Definition of Tissues
A group of cells that have a common origin with similar structure and function are called tissues.
Definition Of Organ
Different types of tissues together take up a particular function and form an organ.
In majority of animals, several organs are interrelated to perform a specific function and thus constitute an organ system. The same is true for higher plants. Several types of organ systems in the body of an organism show unique example of division of labour.