How the Lungs Work — Reading Comprehension

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Grades

Standards

NGSS 4-LS1-1
LS1.A

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This audio-integrated reading passage teaches fourth grade students about the respiratory system and how the lungs function. Aligned with NGSS 4-LS1-1 and the Disciplinary Core Idea LS1.A: Structure and Function, the passage explains how lungs are spongy organs that bring oxygen into the body and remove carbon dioxide waste. Students learn the path air travels from the nose or mouth, through the windpipe, and into the lungs where oxygen enters the bloodstream. The passage also introduces the diaphragm, a muscle that helps control breathing through its up and down movement. Written at a Grade 4 reading level, this passage uses simple language and relatable examples to build foundational understanding of internal body structures and their functions. The audio-integrated format supports diverse learners, including English language learners and students who benefit from multimodal instruction. Accompanying activities include comprehension questions, writing prompts, and graphic organizers that reinforce key vocabulary such as lungs, oxygen, carbon dioxide, windpipe, and diaphragm while helping students visualize the breathing process.

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