Uploaded April 2020 | Updated September 2026, 1 hour ago
@JFR Science's Mr. Key takes a quick tour through the systemic circuit, outlining the structure and major function of veins, arteries and capillaries (however you wish to pronounce them!)
Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.
@JFR Science's Mr. Key takes a quick tour through the systemic circuit, outlining the structure and major function of veins, arteries and capillaries (however you wish to pronounce them!)
Please note that the primary purpose of these videos is educational for students/educators. While all feedback, both positive and...hmmm...constructive, is appreciated I do not have the time to moderate or respond to all comments. As a result, comments on these videos have been disabled at least for the near future.










