Health Check05/09/2015BBC News Channel Duration: 30 minutesFirst broadcast: Sat 5th Sep 2015, 04:30 on BBC News ChannelLatest broadcast: Sun 6th Sep 2015, 21:30 on BBC News Channel HDClaudia Hammond and Tulip Mazumdar learn about the life-giving and life-saving properties of blood.ContributorsPresenter:Ayan PanjaGenresFactualHealth & WellbeingBrandHealth Check Source: BBC Online