Human Body Systems
The Digestive, Respiratory, Circulatory, and Excretory Systems
An Enhanced Podcast
Posted December 19, 2010
Cat hosts our 50th broadcast as students
share some of the things they've learned about the amazing human
body. What happens to food after you swallow it? How
exactly does the oxygen we breathe get into our blood?
What is the function of our kidneys? Listen to this
broadcast to find out!
The Digestive System
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