Biology Pages
Kimball's Biology Pages: The Human Respiratory System
Everything you need to know about the respiratory system. The page includes modules regarding The Pathway, Breathing, Central Control of Breathing, Local Control of Breathing, and Diseases of the Lungs. Designed to be used as classroom...
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Respiratory System
[Free Registration/Login may be required to access all resource tools.] Defines respiration, looks at structures of the respiratory system, and discusses breathing mechanisms.
E-learning for Kids
E Learning for Kids: Science: Hawaii: What Makes Up Our Respiratory System?
Run a race with Sandra and learn what our respiratory system is and how it functions.
Scholastic
Scholastic: Study Jams! Science: The Human Body: Respiratory System
Slideshow, with an accompanying quiz, demonstrates how the respiratory system works.