The Wonderful World of Blood with Michael Mosley

00:00:05 Of all the wonders of the human body there's one that I think is

00:03:09 I live and work in London, which is a sprawling city

00:05:40 Lovely!

00:07:30 'This could be embarrassing.'

00:09:26 an adequate off loading capacity to get the oxygen to your muscles.

00:11:37 My body will have detected the fall in oxygen.

00:14:27 Now, this is a sample of blood that was taken from me

00:16:47 eating breakfast, and the fascinating part is following how

00:18:34 so what you see is a combination of who you are and what you've eaten.

00:20:54 This should be

00:23:42 This came to around ten litres of blood passing through

00:26:25 Now, that is impressive. It's not the sort of thing you would

00:28:51 in, say, an artery feeding the heart.

00:31:15 Our circulatory system is a real wonder of natural engineering

00:33:39 Today, we know inflammation is a normal response to injury

00:36:22 Oh, that's cold!

00:38:31 I mean, it kind of obviously noticed that something odd was going on.

00:41:32 The platelets.

00:44:00 Within seconds, the venom has drastically altered my blood.

00:46:29 the platelet-rich plasma into that area it then ignites those platelets

00:49:12 Oddly enough, these dark fantasies of youthful transformation

00:51:45 But as we've learnt more about blood it has also lost

00:54:15 Like human memory, the memory of a mouse gets worse with age.

00:56:22 I hope they don't do that.