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SciShow
The Key to an Artificial Heart ... and Open-Heart Surgery
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.
SciShow
The Key to an Artificial Heart ... and Open-Heart Surgery
Scientists have been trying to pull blood out of the body and put it back in again since the early 1800s, but bypass machines haven't been easy to get right.
Massachusetts Institute of Technology
Mit: Blossoms: The Respiratory System of Birds
Through videos and cooperative learning, students investigate the respiratory system of birds, describe its function, and then compare this to the respiratory function in human mammals.
Curated OER
Kids Health: The Respiratory System
Watch this short movie to find out the basics of the respiratory system. Fun to watch and lots of good information. From KidsHealth.