00:00What weighs 7% of your total body weight can travel from your brain to your foot in 60 seconds
00:07and, if stretched, would be 60,000 miles long?
00:11Almost every great religion and society has imbued blood with almost magical qualities.
00:17But what do we really know about this sticky red substance and its mysterious life-giving force?
00:24The wonderful world of blood with me, Michael Mosley, on BBC4 and BBC4HD.
00:30Let's see.
Comments