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|/preview/06/07/309338_1_720X405.mp4//g.christianbook.com/g/media_resource_attributes/53/32/309338_1_vthumb.png/media_resource_attributes/53/33/309338_1_vposter.pnglisting||1. Respiratory System||media||?|
The Respiratory System studies something we often take for granted-our lungs! Sturdy enough for 90 years or longer, lungs are ventilated with voluntary muscles about 20 times every minute-and yet we breathe all day without even thinking about it! Learn about plasma, hemoglobin, platelets, and more. Part 1: 38 minutes, Part 2: 33 minutes. Audience: Teens & Adults.
Vendor: Answers in Genesis
Publication Date: 2011
Series: Body of Evidence
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