ScienceThe most important facts about bloodTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoScience02/14/2020February 14, 2020Blood is our body's delivery service. It flows continuously through our veins and provides nutrients to our cells. In Good Shape reveals the most important facts about the 'liquid organ'.https://p.dw.com/p/3I7ThAdvertisement