PBS
When Fish Wore Armor
Today very few animals exist with both an endoskeleton and exoskeleton. Yet, in the Devonian period, a large number of fish species lived with both. Scientists debate if they were for protection or mineral storage, because none of them...
Crash Course
The Skeletal System: It's ALIVE!
What is the differences between exo and endoskeletons? Viewers have an opportunity to see the structure inside our bones and explore bone remodeling with a video about cartilage and bone formation in the human body.
Bozeman Science
Bozeman Science: Skeletal System
Paul Andersen describes the important features of the skeletal system. He starts by comparing and contrasting endoskeletons and exoskeletons. He then explains how the human skeleton provides support, movement, storage, blood production,...
Khan Academy
Khan Academy: Skeletal Structure and Function
This video explores the structure and function of the human skeleton in-depth, as well as some animal skeletons. [6:52]