CBSE Class 11-science Biology Body Fluids and Circulation
Circulatory Pathways: Human Circulatory System, Cardiac Cycle, ECG
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Closed Circulatory System
This video discusses the advantages of closed circulatory system over open ...
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Transport in Lower Organisms by Diffusion
This video explains how lower organisms obtain nutrients and oxygen by the ...
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Valves in Veins
This video explains why valves are present in veins but not in arteries.
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Electrocardiogram (ECG) - Significance
This video explains about ECG and its usefulness in the diagnosis of cardia...
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Circulatory Pathways
This video talks about the phylum which has a circulatory system closest to...
