September 20, 2015 23 min
Overview
Lovely icky red blood - what is it and why do we need it? How does it transport important things around the body? Bob, the robot just has his first aid badge to get so that he can go to the robot jamboree, the trouble is he hates blood. Mark is stopped just in time by blood expert Charles Drew as he is about to give someone a blood transfusion from a dog!
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