
Human Body Systems - Basics
FOR YOUR NOTEBOOK:
What is an Organ System?
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An organ system is a group of organs that work together to perform a major function for the body.
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The human body has several major organ systems. Each system has a specific job, but no system works completely by itself.
Take a look at the Human Body Systems

Answer and Discuss
1. Which organ system do you think interacts with the greatest number of other systems? Explain your reasoning.
2. Choose one organ system. Predict what would happen to the body if that system stopped functioning properly.
3. Why would it be inaccurate to study each organ system completely independently?
4. How does the organization of organ systems help an organism maintain homeostasis?

SEP Practice
Choose TWO organ systems from the model.
Draw an arrow connecting the two systems and write a short explanation showing how the two systems work together.
