Worksheet

Circulatory System Worksheet

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About:

This printable science worksheet introduces Grades 1–4 to the circulatory system through multiple-choice questions and fill-in-the-blank sentences with a word bank. Students learn about the heart, lungs, blood cells, arteries, veins, oxygen, and how blood circulates through the body. Works well for science class lessons on the human body, homework review, or sub plans.

Subject:: Science
Topic:: Anatomy
Grade Level:: 1st – 4th Grades
Updated September 2025

Word Bank

Oxygen
gas
Circulatory
Heart
Lungs
heart
oxygen
arteries
veins

How to Use This Worksheet

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