Tissues are
Group of cells which are similar in origin and function
Group of organs which are similar in origin and function
Cells which are similar in function but not in origin
Groups of cells which are not similar in origin and function
As we learned
Tissue -
A group of cells that is similar in structure, function and origin is called tissue.
- wherein
In a tissue, cells maybe dissimilar in structure and function, but they are always similar in origin.
Example - Blood (Connective Tissue)