Question

a group of organs that work together to perform body functions is called_.
o an organ
o a cell
o organ system
o tissue
o an organism

Explanation:

In biology, an organ system is defined as a group of organs that collaborate to perform body functions. An organ is a single entity made of different tissues, a cell is the basic unit of life, tissue is a group of similar cells, and an organism is a living being as a whole.

Answer:

C. organ system