OpenStax
Open Stax: Anatomy & Physiology: Gas Exchange
Students learn the steps of the gas exchange process that takes place during human respiration.
TeachEngineering
Teach Engineering: Out of Breath
This lesson goes over the parts of the human respiratory system and the gas exchange process that occurs in the lungs. It also covers changes in the respiratory system that occur during spaceflight, such as decreased lung capacity.
National Institutes of Health
National Institute of Environmental Health Sciences: Cruise the Body's Air Ways
Find out where the air goes when you breathe by connecting the dots in this short activity. A clever use of a paint program makes it very clear how air moves in this interactive activity.
CK-12 Foundation
Ck 12: Biology: Processes of Breathing
[Free Registration/Login may be required to access all resource tools.] Outlines the four steps of respiration.
Sophia Learning
Sophia: Respiration and the Respiratory Cycle
This lesson will cover the process of respiration and how gas is exchanged and transported throughout the body.