Curated OER
Getting through the day duck style
Students are introduced to how animals (and ourselves) cope with daily life. They discover that living things need certain conditions to survive. Students investigate how living things (including ourselves and a duck) have special...
Inner Body
Innerbody: Diaphragm
This site from Innerbody.com has an illustration as well as detailed text explaining the function of the Diaphragm. See Images - Diaphragm and Descriptions - Diaphragm
Soft Schools
Soft Schools: Respiration
Take this interactive, multiple-choice quiz over human respiration, then review your score and any missed questions at the end.
CK-12 Foundation
Ck 12: Life Science: 2.15 Cellular Respiration
Learn about the process of cellular respiration in the human body.
Inner Body
Innerbody: Animation of a Capillary
This site from Innerbody.com has an amazing animation of how a capillary works; there is even a detailed description to help understand the process.
The Franklin Institute
The Franklin Institute Online: Oxygen Delivery System
This site from The Franklin Institute explains the primary function of the respiratory system - to deliver oxygen to all parts of the body (breathing).