Grade 3 · Science · Lesson 25

Body Systems Overview

The human body is made up of many systems that work together to keep us alive and healthy. Each system has a specific job. In Grade 3 we focus on five major body systems: the skeletal system, muscular system, digestive system, nervous system, and circulatory system.

What this lesson teaches

1Name the five major body systems
2Describe the main function of each body system
3Locate where each body system works in the human body

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