System Definition:
Multiple Organs Working Together to Do the Same Type of Works

A system is a group of different organs working together to do the same “type” of jobs.   Other names for systems are “body systems” or “organ systems”–they all mean the same thing.

A group of different organs working together to do the same “type” of jobs.

20160614g system
(click to enlarge)

An example is the digestive system, which contains organs such as the stomach, small intestine, large intestine…etc.   These organs work together to perform jobs related to “food”, such as digesting the food, absorbing its nutrients…etc.

Next Generation Science Standards:

HS-LS1-2 Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

MS-LS1-1 Conduct an investigation to provide evidence that living things are made of cells; either one cell or many different numbers and types of cells.

MS-LS1-2 Develop and use a model to describe the function of a cell as a whole and ways parts of cells contribute to the function.

MS-LS1-3 Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.

What Science Does this Comic Teach?

Unit: Anatomy

⇒Chapter: Immunology

⇒Topic: System

Additional Information


A piece of body structure consists of different types of tissues working together to perform a specific job.


A tissue is a group of the same type of cells working together to perform one same goal (or goals).

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