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Timestamp:
0:00 Introduction
0:35 Lymph (Tissue Fluid)
15:42 Circulatory pathways
21:13 Blood Vessels
22:00 Blood vessels (Artery)
28:30 Blood vessels (Capillaries)
31:35 Blood vessels (Veins)
37:31 Hearts of Vertebrates
39:16 Evolution of the Vertebrate Heart – Fishes
43:35 Evolution of the Vertebrate Heart – Amphibians
52:52 Evolution of the Vertebrate Heart – Reptiles
55:24 Evolution of the Vertebrate Heart – Birds and Mammals
58:26 Human Circulatory System
1:01:44 Human Heart

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