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Answer:

An organ system is like a group of different organs working together as a biological system. They perform one or more functions. Each of them has a certain job in the body and they're made up of distinct tissues.

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Option D. different types of cells combine to form a single structure.

What is an individual composed of an organ system?

Organism: Individual living thing that may be made up of one or more organ systems.

Is the body composed of organ systems?

The body includes nine major organ systems, each composed of various organs and tissues that work together as a functional unit.

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