Various skeletons - and exoskeletons - are explored in this comprehensive video. Find out which of our bones are strongest, how animals regulate heat with their antlers, how our lungs wouldn't work without our ribs, and many other fascinating facts about the skeletal structure. Narrated by Martin Sheen. BRAND : BIG KIDS PRODUCTIONS GENRE : EDUCATIONAL MANUFACTURER : BIG KIDS PRODUCTIONS PRODUCT TYPE : DVD PRODUCT TYPE : DVD RATING : NR RATING : NR RELEASE DATE : 24-MAR-2009 RETURNS ACCEPTED? : YES
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