We found 70 reviewed resources for lungs gills
Circulatory and Respiratory Systems Unit - Biology Teaching Thesis
9th - 12th
Young scholars Explain how an increased level of activity translates to cells needing more oxygen and how the lungs supply this oxygen by entering the blood stream. They also can explain that the heart is responsible for moving both...
Circulatory and Respiratory Systems
12 mins 9th - 12th CCSS: Adaptable
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.
What is the Evidence for Evolution?
11 mins 6th - 12th CCSS: Adaptable
Would you believe whales and hippos share a common ancestor? The video discusses the evidence from a variety of scientific disciplines supporting evolution, focusing specifically on whales and their connections to hippos. The narrator...