AdvertisementMercy To All Mankind02:11Download AudioEmbed on your websiteClose×Copy the code below to embed the WBUR audio player on your site<iframe width="100%" height="124" scrolling="no" frameborder="no" src="https://player.wbur.org/radioboston/2013/05/02/blood"></iframe>Copy embed codeResumeMay 02, 2013facebookEmailMembers of Mercy to All Mankind at the Blood Drive. (Ava Aguado/WBUR)This segment aired on May 2, 2013.Religion