Students describe the structural differences in the respiratory systems of aquatic and terrestrial vertebrates and explain the motivation for these structural adaptations in reference to the differences in habitat.
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Everything You Always Wanted to Know About: Invertebrates
Not everything you want to teach about invertebrates is included in this PowerPoint, but everything you may want to teach about fish is. Details, details, details! After a brief introduction to phylum Chordata, junior icthyologists learn...
9th - 12th Science
Circulatory and Respiratory Systems
Viewers follow the paths of oxygen and carbon dioxide through the human respiratory organs and the path of the molecules through the human circulatory system, in a short video about how the body delivers oxygen and picks up carbon dioxide.
12 mins 9th - 12th Science CCSS: Adaptable