Question 1 of 7 Multiple Choice Which level of organization does the complete skeleton of a mouse belong to? A. cell B. a tissue C. an organ D. an organ system

The complete skeleton of mouse belong to organ system level of Organization.

In biology, an organ system is the group of organs that work together to perform two or more functions. Each does a particular job in a body and is made of certain tissues.

In multi-cellular organisms, including humans, all cells, tissues, organs, and organ systems of the body work together to maintain the life and health of the organism.