Grade 2 · Science · Lesson 25

Identify Body Organs and Systems

Your body is an incredible machine. Right now, without you even thinking about it, organs inside you are pumping blood, pulling in air, digesting food, and sending messages at lightning speed. An organ is a body part that does one main job to keep you alive and healthy.

What this lesson teaches

1Name and locate five major body organs — brain, heart, lungs, stomach, bones
2Describe the main job of each organ
3Match each organ to the body system it belongs to

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