Micaackermanviz
Answered

It refers to group of tissues working together.
A. Cell B. Organ C. Organism D. Organ systems​

Sagot :

Fhelleviz

Answer:

D. Organ System

Explanation:

An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.