Help your students explore how the body breathes with these Respiratory System Doodle Notes and Understanding Checkpoint Quizzes! This highly visual, differentiated note-taking resource helps students master essential concepts like nostrils, trachea, lungs, alveoli, diaphragm, breathing, respiration, and system connections. ✅ What’s Included: Respiratory System Doodle Notes (5 differentiated versions: Fill-in-the-Blank, Partially Blank, Fully Blank) Understanding Checkpoint Quiz (PDF and Goog