Tissues are Composed of Cells,and Tissues Functioning Together Make Up

Question

Tissues are composed of cells,and tissues functioning together make up
A)organs.
B)membranes.
C)organ systems.
D)organelles.
E)organisms.

Accepted Answer

Tissues functioning together make up organs, not membranes or organ systems. Organelles are the smallest functional units within cells, and organisms are the highest level of organization above organ systems.